1000+ Heat Engines Objective Questions and Answers Pdf - 2

Question: 6

Direction of feed water is done because

(A) it reduces amount of heat required to convert water into steam

(B) it reduces corrosion caused by oxygen present in air

(C) it reduced priming difficulties in feed pumps

(D) it reduces weight of water to be handled

Question: 7

Which one of the following factors will not assist in getting high power output from a compression ignition engine

(A) large quantity of excess air

(B) high charge density

(C) fine atomization of fuel

(D) high compressor ratio

Question: 8

Separators are generally used in air compressor installations

(A) after intercooler

(B) before intercooler

(C) between after cooler and receiver

(D) before first stage suction

Question: 9

In a SI engine, advancing of spark timing will

(A) depends on intensity of spark only

(B) not have any effect

(C) reduce knocking tendency

(D) increase knocking tendency

Question: 10

The self ignition temperature of diesel oil as compared to petrol is

(A) varies considerably

(B) same

(C) lower

(D) higher