MECHANIC MOTOR VEHICLE
THEORY
SEM-1 JAN2018
1. What is first aid?
a) Completing a primary survey b) The first help given to injured
c) Assessment of loss
d) Treating an injured
The following if indirect cost of accident: -
a) Money paid for treatment
b) Compensation paid
c) Cost of lost time of injured
d) All of these
D . Class — A fire consists of fire due to: -
a) Wood
b) Oil
c) Transformer
d) Chemical
Minimum reading taken by micrometer screw gauge is: -
a) 0.1 cm
b) 0.01 mm
c) 0.1 mm
d) 0.01 m
Which of the following is hardest material?
a) Copper
b) Ceramics
c) Steel
d) Diamond
File used for wood work is: -
a) Single cut file
b) Double cut file
c) Rasp cut file
d) None of these
What is mean by the rate of flow of an electric charge?
a) Electric current
b) Electric potential
c) Electric resistance
d) None of these
Which type of nut prevents slipping while tightening?
a) Square nut
b) Hexagonal nut
c) Castle nut
d) None of these
Annealing improves: -
a) Grain size
b) Mechanical properties
c) Electrical properties
d) All of these
Which of the following joints have high corrosion resistance?
a) Welded joint
b) Riveted joint
c) Bolted joint
d) None of these
An "n" type semiconductor is: -
a) Positively charged
b) Negatively charged
c) Elecfrically neutral
d) None of these
The positive plates of nickel iron cell is made by:
a) Nickel hydroxide
b) Lead peroxide
c) Ferrous hydroxide
d) Potassium hydroxide
Which one is best suited to extinguishing oil or flammable liquid fire?
a) Soda acid
b) Vaporizing liquid
c) Foam
d) Dry chemical
Range of measuring tape is: -
a) 1 meter
b) Several meters
c) 2 meters
d) 1 Kilometer
Cutting forces at the cutting tool can be measured by: -
a) Dynamometer
b) Viscosity meter
c) Sine bar
d) Combination set
Check list for job safety analysis consists of:
a) Work area, material, machine, tools
b) Men, machine, material, tools
c) Men, machine, work-areas, tools
d) Men, work area, material, too
A connecting rod is made by: - ls
a) Casting
b) Drawing
c) Forging
d) Extrusion
Minimum reading of Vernier calipers is: -
a) 1 mm
b) 1 cm
c) 0.1 mm
d) 0.1 cm
What is the unit of potential difference?
a) Ohm
b) Volt meter
c) Volt
d) Ampere meter
Which one is the example of plastic welding?
a) Gas welding
b) Arc welding
c) Forge welding
d) Thermit welding
Which of the following cutting condition is more affects the tool wear?
a) Cutting speed
b) Feed
c) Depth of cut
d) None of these
A battery consists of: -
a) Diodes
b) Circuits
c) Generator
d) Number of cells
Industrial safety management is the branch of management which is concerned with hazards from the industries.
a) Reducing
b) Controlling
c) Eliminating
d) All of these
Which of the following tools are generally manufactured by powder metallurgy?
a) Low carbon steel
b) High carbon steel
c) Abrasives
d) Cemented carbide
When a pure semiconductor is heated, its resistance
a) Goes up
b) Goes down
c) Not changed
d) Can't say
A screw jack is used where do we need
a) Rotational motion
b) Linear motion
c) Both (a) & (b)
d) None of these
The clearance angle is provided on the tools due to: -
a) Strength the tool
b) Shear off the metal
c) For easy flow of chips
d) Prevent the tool from rubbing on work piece
The following is used to check the diameters of holes:
a) Plug gauge
b) Ring gauge
c) Slip guage
d) Standard screw pitch gauge
In oxy-acetylene welding colour of oxygen cylinder is: -
a) Red
b) Maroon
c) Black
d) Brown
Materials are softened by:
a) Carburising
b) Tempering
c) Normalising
d) Annealing
Which property is used to oppose the flow of current?
a) Potential difference
b) Capacitance
c) Inductance
d) Resistance
The following class of fire occurs in electrical equipment: -
a) Class A fires
b) Class B fires
c) Class C fires
d) All of these
Which type of thread is used in screw jacks?
a) V thread
b) Acme thread
c) Square thread
d) None ot these
Water is used to extinguish? d)
a) Class A fires
b) Class B fires
c) Class C fires
d) All of these
The following is generally provided with limit switch to prevent motion beyond preset limit: -
a) Hoists
b) Machine tables
c) Conveyors
d) All of these
Sulphation in a lead acid battery occurs due to: -
a) Heavy charging
b) Fast charging
c) Slow charging
d) Incomplete charging
Which one of the föllowing sequences will give the best accuracy as well as surface finish?
a) Drilling, Reaming, Grinding
b) Drilling, Boring, Grinding
c) Drilling, Reaming, Lapping
d) Drilling, Reaming, Electroplating
What is the SI unit of electric current?
a) Ampere
b) Ohm
c) Faraday
d) None of these
Which one is not the pan of a two stroke petrol engine?
a) Piston
b) Valves
c) Connecting rod
d) Spark plugs
Acetylene can be prepared by chemical reaction between: -
a) Water & calcium carbide
b) Water & chemical carbonate
c) Hydrogen & calcium carbide
d) Hydrogen & chemical carbonate
Which flame is suitable for welding of nonferrous metals?
a) Oxidising flame
b) Carbuising flame
c) Neutral flame
d) None of these
As the temperature of a transistor goes up, the base emitter resistance: -
a) Decreases
b) Increases
c) Remains the same
d) None of these
What is the frequency of domestic power in India?
a) 105 Hz b) 60 Hz
c) 210 Hz d) 50 Hz
The capacity of a cell is measured in
a) Ampere
b) Ampere-hour
c) Watts
d) Watts-hours
The following is not used to measure angles: -
a) Bevel protector
b) Calibrated levels
c) Clinometers
d) Optical flats
Which of the following gas mixture is not used in Gas Tungsten arc welding?
a) Argon-Helium
b) Argon-Nitrogen
c) Argon-Hydrogen
d) Argon-Carbon dioxide
Heat engine uses energy to produce mechanical work.
a) Thermal
b) Fluid
c) Kinetic
d) Electric
The degree of closeness of the measured value of certain quantity with its true value is known as: -
a) Accuracy
b) Precision
c) Standard
d) Sensitivity
In an automobile engine, indication of knocking is available in the form of: -
a) Light
b) Gas
c) Sound
d) None of these
A transistor is a operated device.
a) Current
b) Voltage
c) Both (a) & (b)
d) None of these
THEORY
SEM-1 JAN2018
1. What is first aid?
a) Completing a primary survey b) The first help given to injured
c) Assessment of loss
d) Treating an injured
The following if indirect cost of accident: -
a) Money paid for treatment
b) Compensation paid
c) Cost of lost time of injured
d) All of these
D . Class — A fire consists of fire due to: -
a) Wood
b) Oil
c) Transformer
d) Chemical
Minimum reading taken by micrometer screw gauge is: -
a) 0.1 cm
b) 0.01 mm
c) 0.1 mm
d) 0.01 m
Which of the following is hardest material?
a) Copper
b) Ceramics
c) Steel
d) Diamond
File used for wood work is: -
a) Single cut file
b) Double cut file
c) Rasp cut file
d) None of these
What is mean by the rate of flow of an electric charge?
a) Electric current
b) Electric potential
c) Electric resistance
d) None of these
Which type of nut prevents slipping while tightening?
a) Square nut
b) Hexagonal nut
c) Castle nut
d) None of these
Annealing improves: -
a) Grain size
b) Mechanical properties
c) Electrical properties
d) All of these
Which of the following joints have high corrosion resistance?
a) Welded joint
b) Riveted joint
c) Bolted joint
d) None of these
An "n" type semiconductor is: -
a) Positively charged
b) Negatively charged
c) Elecfrically neutral
d) None of these
The positive plates of nickel iron cell is made by:
a) Nickel hydroxide
b) Lead peroxide
c) Ferrous hydroxide
d) Potassium hydroxide
Which one is best suited to extinguishing oil or flammable liquid fire?
a) Soda acid
b) Vaporizing liquid
c) Foam
d) Dry chemical
Range of measuring tape is: -
a) 1 meter
b) Several meters
c) 2 meters
d) 1 Kilometer
Cutting forces at the cutting tool can be measured by: -
a) Dynamometer
b) Viscosity meter
c) Sine bar
d) Combination set
Check list for job safety analysis consists of:
a) Work area, material, machine, tools
b) Men, machine, material, tools
c) Men, machine, work-areas, tools
d) Men, work area, material, too
A connecting rod is made by: - ls
a) Casting
b) Drawing
c) Forging
d) Extrusion
Minimum reading of Vernier calipers is: -
a) 1 mm
b) 1 cm
c) 0.1 mm
d) 0.1 cm
What is the unit of potential difference?
a) Ohm
b) Volt meter
c) Volt
d) Ampere meter
Which one is the example of plastic welding?
a) Gas welding
b) Arc welding
c) Forge welding
d) Thermit welding
Which of the following cutting condition is more affects the tool wear?
a) Cutting speed
b) Feed
c) Depth of cut
d) None of these
A battery consists of: -
a) Diodes
b) Circuits
c) Generator
d) Number of cells
Industrial safety management is the branch of management which is concerned with hazards from the industries.
a) Reducing
b) Controlling
c) Eliminating
d) All of these
Which of the following tools are generally manufactured by powder metallurgy?
a) Low carbon steel
b) High carbon steel
c) Abrasives
d) Cemented carbide
When a pure semiconductor is heated, its resistance
a) Goes up
b) Goes down
c) Not changed
d) Can't say
A screw jack is used where do we need
a) Rotational motion
b) Linear motion
c) Both (a) & (b)
d) None of these
The clearance angle is provided on the tools due to: -
a) Strength the tool
b) Shear off the metal
c) For easy flow of chips
d) Prevent the tool from rubbing on work piece
The following is used to check the diameters of holes:
a) Plug gauge
b) Ring gauge
c) Slip guage
d) Standard screw pitch gauge
In oxy-acetylene welding colour of oxygen cylinder is: -
a) Red
b) Maroon
c) Black
d) Brown
Materials are softened by:
a) Carburising
b) Tempering
c) Normalising
d) Annealing
Which property is used to oppose the flow of current?
a) Potential difference
b) Capacitance
c) Inductance
d) Resistance
The following class of fire occurs in electrical equipment: -
a) Class A fires
b) Class B fires
c) Class C fires
d) All of these
Which type of thread is used in screw jacks?
a) V thread
b) Acme thread
c) Square thread
d) None ot these
Water is used to extinguish? d)
a) Class A fires
b) Class B fires
c) Class C fires
d) All of these
The following is generally provided with limit switch to prevent motion beyond preset limit: -
a) Hoists
b) Machine tables
c) Conveyors
d) All of these
Sulphation in a lead acid battery occurs due to: -
a) Heavy charging
b) Fast charging
c) Slow charging
d) Incomplete charging
Which one of the föllowing sequences will give the best accuracy as well as surface finish?
a) Drilling, Reaming, Grinding
b) Drilling, Boring, Grinding
c) Drilling, Reaming, Lapping
d) Drilling, Reaming, Electroplating
What is the SI unit of electric current?
a) Ampere
b) Ohm
c) Faraday
d) None of these
Which one is not the pan of a two stroke petrol engine?
a) Piston
b) Valves
c) Connecting rod
d) Spark plugs
Acetylene can be prepared by chemical reaction between: -
a) Water & calcium carbide
b) Water & chemical carbonate
c) Hydrogen & calcium carbide
d) Hydrogen & chemical carbonate
Which flame is suitable for welding of nonferrous metals?
a) Oxidising flame
b) Carbuising flame
c) Neutral flame
d) None of these
As the temperature of a transistor goes up, the base emitter resistance: -
a) Decreases
b) Increases
c) Remains the same
d) None of these
What is the frequency of domestic power in India?
a) 105 Hz b) 60 Hz
c) 210 Hz d) 50 Hz
The capacity of a cell is measured in
a) Ampere
b) Ampere-hour
c) Watts
d) Watts-hours
The following is not used to measure angles: -
a) Bevel protector
b) Calibrated levels
c) Clinometers
d) Optical flats
Which of the following gas mixture is not used in Gas Tungsten arc welding?
a) Argon-Helium
b) Argon-Nitrogen
c) Argon-Hydrogen
d) Argon-Carbon dioxide
Heat engine uses energy to produce mechanical work.
a) Thermal
b) Fluid
c) Kinetic
d) Electric
The degree of closeness of the measured value of certain quantity with its true value is known as: -
a) Accuracy
b) Precision
c) Standard
d) Sensitivity
In an automobile engine, indication of knocking is available in the form of: -
a) Light
b) Gas
c) Sound
d) None of these
A transistor is a operated device.
a) Current
b) Voltage
c) Both (a) & (b)
d) None of these
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