Correct Answer:- Option-B
Question17:-The piston head of a two stroke engine has a deflector to ensure
A:-Charge delivery is directed upward into the cylinder
B:-Charge delivery is directed towards exhaust port
C:-Proper turbulent mixing of fuel-air mixture
D:-None of the above
Correct Answer:- Option-A
Question18:-The combustion duration of a Cl engine when compared to a SI engine
is
A:-Equal
B:-More
C:-Short
D:-None of the above
Correct Answer:- Option-B

Question19:-To adjust for the change in length of propeller shaft while the vehicle is
in motion

A:-A universal joint is provided

B:-A slip joint is provided

C:-Both universal joint and slip joint are provided
D:-None of the above

Correct Answer:- Option-B

Question20:-The most common economizers used in thermal power plants to
prevent corrosion of the flue gas passages are

A:-Direct contact type
B:-Condensing type
C:-Non condensing type
D:-None of the above
Correct Answer:- Option-C

Question21:-A capacitor when connected across a dc voltage source accumulates a
charge of Q coulombs . When two such capacitors are connected in series across
the same voltage source, the total accumulated charge will be

A:-Q

B:-2Q

C:-Q/2

D:-Q/4

Correct Answer:- Option-C

Question22:-Two resistances of value 10 ohms and 15 ohms are connected in
parallel and included in a dc circuit. The 10 ohms resistance carries 3 amperes. The