MCQ Questions Mechanical Engineering I.C. Engines

Take a look at these MCQ Questions I.C. Enginess for engineering interview questions and our tips on how to answer them. If you’re applying for an engineering internship, graduate scheme or entry-level job, you’ll face at least one interview as part of an engineering employer’s recruitment process. You may be interviewed by one or more members of the HR team, senior members of the engineering team you’d be joining or a mixture of both. In this section we will study MCQ Questions Mechanical Engineering I.C. Engines.

As well as questions about your reasons for applying to the role and the employer in question, engineering recruiters will be assessing your potential in the areas that is crucial to any engineering role: technical expertise. Engineers may be asked to perform feats of fantastic technical prowess, but it will be as as part of a Justice League rather than as a solo engineering super hero.

The interviewer is almost as nervous as the candidate in most interviews. You might wonder if you look confident enough, if you will hire the right person, or if you are asking the right engineering interview questions. The last question is arguably the most crucial part to worry about when you’re interviewing candidates.

MCQ Questions Mechanical Engineering I.C. Engines - Set - 1

Question 1:

Crankcase explosion in I.C. engines usuall occurs as
(a) first a mild explosion followed by a bi explosion
(b) first a big explosion followed by a mil explosion
(c) both mild and big explosions occi simultaneously
(d) never occurs

Check Answer

Correct Answer – (A)

Question 2 :

The temperature of interior surface of cylinder wall in normal operation is not allowed to exceed
(a) 80°C
(b) 120°C
(c) 180°C
(d) 240°C

Check Answer

Correct Answer – (C)

Question 3 :

The fuel in diesel engine is normally injected at pressure of
(a) 5-10 kg/cm2
(b) 20-25 kg/cm2
(c) 60-80 kg/cm2
(d) 90-130 kg/cm2

Check Answer

Correct Answer – (D)

Question 4 :

Pick up the wrong statement
(a) 2-stroke engine can run in any direction
(b) In 4-stroke engine, a power stroke is obtained in 4-strokes
(c) thermal efficiency of 4-stroke engine is more due to positive scavenging
(d) petrol engines occupy more space than diesel engines for same power output.

Check Answer

Correct Answer – (D)

Question 5 :

The maximum temperature in the I.C. engine cylinder is of the order of
(a) 500- 1000°C
(b) 1000- 1500°C
(c) 1500-2000°C
(d) 2000-2500°C

Check Answer

Correct Answer – (D)

MCQ Questions Mechanical Engineering I.C. Engines

Question 6:

The air requirement of a petrol engine during starting compared to theoretical air required for complete combustion is
(a) more
(b) loss
(c) same
(d) may be more or less depending on engine capacity

Check Answer

Correct Answer – (A)

Question 7:

The specific fuel consumption per BHP hour for diesel engine is approximately
(a) 0.15 kg
(b) 0.2 kg
(c) 0.25 kg
(d) 0.3 kg

Check Answer

Correct Answer – (B)

Question 8:

Combustion in compression ignition engines is
(a) homogeneous
(b) heterogeneous
(c) both (a) and (b)
(d) laminar

Check Answer

Correct Answer – (B)

Question 9:

The thermal efficiecny of a diesel cycle having fixed compression ratio, with increase in cut-off ratio will
(a) increase
(b) decrease
(c) be independent
(d) may increase or decrease depending on other factors

Check Answer

Correct Answer – (B)

Question 10:

The pressure at the end of compression in the case of diesel engine is of the order of
(a) 6 kg/cm
(b) 12kg/cmz
(c) 20 kg/cmz
(d) 35 kg/cm

Check Answer

Correct Answer – (D)

MCQ Questions Mechanical Engineering I.C. Engines

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