FINAL ANSWER KEY

Question Paper Code: 3/2023/0L
Category Code: 545/2019
Exam: Mechanic
Medium of Question: English
Date of Test 06-01-2023
Department Agriculture Development and Farmers Welfare
Alphacode A
Question1:-What is the working cycle of compression ignition engine?

A:-Otto Cycle

B:-Sterling Cycle

C:-Diesel Cycle

D:-Rankin Cycle
Correct Answer:- Option-C
Question2:-The portion below the piston pin boss is called
A:-Crown of the Piston
B:-Skirt of the Piston
C:-Land of the Piston
D:-Ring Section of the Piston
Correct Answer:- Option-B
Question3:-In a rear wheel drive vehicle if the rear wheels move up and down then
A:-the angle of drive changes
B:-the drive line changes length
C:-both (1) and (2)
D:-neither (1) nor (2)
Correct Answer:- Option-C
Question4:-Which part is not common between the old model Petrol and Diesel engines?
A--Air cleaner
B:-Battery
C:-Exhaust Silencer
D:-Fuel injector
Correct Answer:- Option-D
Question5:-Which sensor is used to sense vibrations?
A:-Engine Knocking Sensor
B:-Air Vertex Sensor
C:-Hall Effect Sensor
D:-Vehicle Speed Sensor
Correct Answer:- Option-A
Question6:-A clutch is usually designed to transmit maximum torque which is
A:-Equal to the maximum engine torque
B:-150 percentage of the maximum engine torque
C:-75 percentage of the maximum engine torque
D:-None of the above
Correct Answer:- Option-B
Question7:-Which type of gear will not produce axial thrust while transmitting torque
A:-Spur gear
B:-Helical gear
C:-Worm gear
D:-Spur bevel gear
Correct Answer:- Option-A
Question8:-Clutch facings are usually attached to the plate by
A--Steel Rivets
B:-Steel screws
Aluminium screws
D:-Brass rivets
Correct Answer:- Option-D
Question9:-What will be cause by which noise comes from a gearbox in neutral position?