Today, all competitive exams are Multiple Choice Questions(MCQ) based examination system and the main factor is to answer each question in a prescribed time. So, practice as much as possible before the original test you are going to face.
Total number of Multiple Choice Question (MCQ) is 15 and time allotted for each question is 30 seconds. After the allotted time, the question will be marked as un-attempt.
QUIZ
Test Conducted by: ObjectiveBooks.com
Next Mock Tests:
01. The maximum torque multiplication ratio in a torque converter is about
(A) 2.5
(B) 10
(C) 25
(D) 40
Answer: Option A
02. The brake power is the power available
(A) In the engine cylinder
(B) At the crank shaft
(C) At the crank pin
(D) None of these
Answer: Option B
03. If the engine coolant leaks into the engine oil, then engine oil
(A) Appears milky
(B) Become foamy
(C) Turns black
(D) None of these
Answer: Option A
04. The voltage required to produce a spark across the gap, between the sparking points is
(A) 2000 to 4000 volts
(B) 4000 to 6000 volts
(C) 6000 to 10,000 volts
(D) 10,000 to 12,000 volts
Answer: Option C
05. The clutch is located between the transmission and the
(A) Engine
(B) Rear axle
(C) Propeller shaft
(D) Differential
Answer: Option A
06. Compression ratio of I.C. Engines is
(A) The ratio of volumes of air in cylinder before compression stroke and after compression stroke
(B) Volume displaced by piston per stroke and clearance volume in cylinder
(C) Ratio of pressure after compression and before compression
(D) Swept volume/cylinder volume
Answer: Option A
07. The crescent shaped cavity on the piston head top surface is called as
(A) Piston oil hole
(B) Snap ring
(C) Valve recess
(D) Valve clearance
Answer: Option C
08. The rating of a diesel engine, with increase in air inlet temperature, will
(A) Increase linearly
(B) Decrease linearly
(C) Increase parabolically
(D) Decrease parabolically
Answer: Option B
09. The aspect ratio (expressed in percentage) of the tyre is defined as the ratio of
(A) Section width to section height
(B) Section height to section width
(C) Wheel diameter to section height
(D) Wheel diameter to section width
Answer: Option B
10. The knocking in spark ignition engines can be reduced by
(A) Retarding the spark
(B) Increasing the engine speed
(C) Both (A) and (B)
(D) None of these
Answer: Option C
11. The process of removing the burnt gases from the engine cylinder by the fresh charge coming into the engine cylinder from the crankcase, is known as
(A) Cleaning
(B) Priming
(C) Scavenging
(D) Detonation
Answer: Option C
12. The firing order in an I.C. engine depends upon
(A) Arrangement of the cylinders
(B) Design of crankshaft
(C) Number of cylinders
(D) All of these
Answer: Option D
13. The main purpose of an engine's air cleaner is that it
(A) Controls the engine's air intake volume
(B) Reduces the engine's air intake noise
(C) Prevents rain water from entering the engine
(D) Prevents dust and other foreign matter from entering the engine
Answer: Option D
14. Diesel engine can work on very lean air fuel ratio of the order of 30: 1. A petrol engine can also work on such a lean ratio provided
(A) It is properly designed
(B) Best quality fuel is used
(C) Cannot work as it is impossible
(D) Flywheel size is proper
Answer: Option C
15. The purpose of a thermostat in an engine cooling system is to
(A) Prevent the coolant from boiling
(B) Allow the engine to warm up quickly
(C) Indicate the coolant temperature
(D) Pressurise the system to raise the boiling point
Answer: Option B
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