IC Engine Quiz | IC Engine Objective Type Questions and Answers

Sports GK Questions and Answers 2024 (Latest Updated)

Awards & Honours GK Questions 2024 (Latest Updated)

Questions
21 Most high speed compression engines operate on
A Diesel cycle
B Otto cycle
C Dual combustion cycle
D Special type of air cycle

Answer: Dual combustion cycle
22 Which of the following medium is compressed in a Diesel engine cylinder
A air aione
B air and fuel
C air and lub oil
D fuel alone

Answer: air aione
Advertisement
Article and Schedule Quiz Start Test!
DOWNLOAD CURRENT AFFAIRS PDF FROM APP
23 The air-fuel ratio of the petrol engine is controlled by
A fuel pump
B governor
C injector
D carburettor

Answer: carburettor
24 Diesel fuel, compared to petrol is
A less difficult to ignite
B just about the same difficult to ignite
C more difficult to ignite
D highly ignitable

Answer: more difficult to ignite
25 In diesel engine the diesel fuel injected into cylinder would burn instantly at about compressed air temperature of
A 250°C
B 500°C
C 1000°C
D 150CPC

Answer: 1000°C
26 A 75 cc engine has following parameter as 75 cc
A fuel tank capacity
B lub oil capacity
C swept volume
D cylinder volume

Answer: swept volume
27 A heat engine utilises the
A calorific value of oil
B low heat value of
C high heat value of oil
D mean heat value of oil

Answer: high heat value of oil
28 The term scavenging is generally associated with
A 2-stroke cycle engines
B 4-stroke cycle engines
C diesel engines
D high efficiency engines

Answer: high efficiency engines
29 The cam shaft of a four stroke I.C. engine running at 1500 rmp will run at
A 1500 rpm
B 750 rpm
C 3000 rpm
D none of the above

Answer: 750 rpm
30 Most high speed compression engines operate on
A Otto cycle
B Diesel cycle
C Dual cycle
D Carnot cycle

Answer: Dual cycle
31 A diesel engine as compared to petrol engine (both running ar rated load) is
A more efficient
B less efficient
C equally efficient
D unperdictable

Answer: more efficient
32 In a cycle, the spark lasts roughly for
A 1 sec
B 0.1 sec
C 0.01 sec
D 0.001 sec

Answer: 0.001 sec
33 Which of the following is false statement. Some of the methods used to reduce diesel smoke are as follows
A using additives in the fuel
B engine derating i.e. reducing the maxi-mum flow of fuel
C increasing the compression ratio
D adherence to proper fuel specification

Answer: increasing the compression ratio
34 Pick up the wrong statement about supercharging
A supercharging reduces knocking in diesel engines
B there can be limited supercharging in petrol engines because of detonation
C supercharging at high altitudes is essential
D supercharging results in fuel economy

Answer: supercharging results in fuel economy
35 The operation of forcing additional air under pressure in the engine cylinder is known as
A scavenging
B turbulence
C supercharging
D pre-ignition

Answer: supercharging
36 The minimum cranking speed in case of petrol engine is about
A half the operating speed
B one-fourth of operating speed
C 250-300 rpm
D 60-80 rpm

Answer: 60-80 rpm
37 The mean effective pressure obtained from engine indicator indicates the
A maximum pressure developed
B minimum pressure
C instantaneous pressure at any instant
D average pressure

Answer: average pressure
38 Installation of supercharger on a four-cycle diesel engine can result in the following percentage increase in power
A upto 25%
B upto 35%
C upto 50%
D upto 100%

Answer: upto 100%
39 Which of the following is the lightest and most volatile liquid fuel
A diesel
B kerosene
C fuel oil
D gasoline

Answer: gasoline
40 Air fuel ratio for idling speed of a petrol engine is approximately
A 1 : 1
B 5 : 1
C 10:1
D 15 : 1

Answer: 10:1

Random GK Questions

Q. The term of office of the member of the UPSC is
Q. Syrinx is the voice box in
Q. The condensation of the chromosomes are maximal with visible centromeres at which phase of cell cycle
Q. Bureaucracy literally means a system of government by
Q. Reserve Bank of India was nationalized in
Q. The exact time taken by the earth for single rotation on its own axis is :
Assam Direct Recruitment Test Series

Computer Science Topics