Home / Engineering / Heat Engines MCQs / Page 34

Heat Engines MCQs | Page - 34

Dear candidates you will find MCQ questions of Heat Engines here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

M

Mr. Dubey • 51.43K Points
Coach

Q. 331) For superheated steam in a nozzle the critical pressure ratio is

(A) 0.528
(B) 0.546
(C) 0.64
(D) 0.577
View Answer Discuss Share

M

Mr. Dubey • 51.43K Points
Coach

Q. 332) Dark, black smoke from diesel engines usually results when the engine is

(A) Idling
(B) Running at slow speeds
(C) Running at full speed but under no load conditions
(D) Running at full load and full speed
View Answer Discuss Share

M

Mr. Dubey • 51.43K Points
Coach

Q. 333) A starting motor should have capacity to generate power equal to

(A) IHP
(B) IHP-BHP
(C) BHP
(D) Friction horse power at cranking r.p.m
View Answer Discuss Share

M

Mr. Dubey • 51.43K Points
Coach

Q. 334) Water gas is a mixture of

(A) CO2 and N2
(B) CO and H2
(C) SO2, CO2 and N2
(D) N2 and H2
View Answer Discuss Share

M

Mr. Dubey • 51.43K Points
Coach

Q. 335) A jet engine has

(A) Propeller in front
(B) Propeller in back
(C) One propeller in front and one propeller in back
(D) No propeller
View Answer Discuss Share

M

Mr. Dubey • 51.43K Points
Coach

Q. 336) A Lenoir cycle has a top temperature in the cycle

(A) More than that of Otto cycle
(B) Equal to diesel cycle
(C) Weight of engine
(D) Between Otto and diesel cycles
View Answer Discuss Share

M

Mr. Dubey • 51.43K Points
Coach

Q. 337) In isochronous governors the speed drop is

(A) 50 percent
(B) 75 percent
(C) 10 percent
(D) Zero
View Answer Discuss Share

M

Mr. Dubey • 51.43K Points
Coach

Q. 338) In a Diesel engine the duration between the time of injection and time of ignition is called

(A) Explosion period
(B) Delay period
(C) Period of ignition
(D) Pre-ignition period
View Answer Discuss Share

M

Mr. Dubey • 51.43K Points
Coach

Q. 339) All but one of the following possible steam generator test difficulties would cause the apparent performance to be poorer than it actually is. One item would make the performance look better than it really is. Identify the item

(A) Steam flow meter reads low
(B) Steam temperature gauge reads too high
(C) HHV of fuel is determined incorrectly, being too high
(D) Coad scales are inaccurate, reading high
View Answer Discuss Share

M

Mr. Dubey • 51.43K Points
Coach

Q. 340) Resilience is the property of materials in which

(A) Materials resist deformation
(B) Materials spring back or recoil when pressure is removed
(C) Materials are easily deformed
(D) Materials can be easily pressed
View Answer Discuss Share