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Multiple Choice Question & Answer

YB WEB DESK. Dated: 11/30/2020 11:46:31 AM

1-During the compression stroke of a four stroke diesel engine,
the piston compresses.
(A) Air-fuel mixture
(B) Atomized diesel
(C) Diesel vapor
(D) Air
2-The inventor of two stroke engine is
(A) Dugald Clerk
(B) Rudolf diesel
(C) James Watt
(D) Nicolas A Otto
3-Theoritically during expansion process in a four stroke engine
(A) Inlet valve opens and exhaust valve closes
(B) Inlet valve closes and exhaust valve opens
(C) Both valve remains closed
(D) Both valve remains opened
4-The nominal volume of cylinder when piston is at TDC is
called
(A) Stroke volume
(B) Swept volume
(C) Clearance volume
(D) Suction volume
5-Which of the following engine can operate at higher speed?
(A) Square engine
(B) Over square engine
(C) Under square engine
(D) Steam engine
6-The process of flushing out the products of combustion from
the engine cylinder by fresh charge is known as
(A) Turbo charging
(B) Super charging
(C) Scavenging
(D) None of the above
7-When the piston of a two stroke engine single cylinder engine
move from BDC to TDC
(A) transfer port opens and intake port closes
(B) exhaust port open and transfer port closes
(C) exhaust port and transfer port opens
(D) none of the above
8-The number of crankshafts for opposed piston engine is
(A) one
(B) two
(C) three
(D) four
9-The ratio of brake thermal efficiency to indicated thermal efficiency
is known as
(A) Mechanical efficiency
(B) Relative efficiency
(C) Air standard efficiency
(D) Calorific value efficiency
10-Chemically correct air fuel mixture ratio for SI engine is
around
(A) 15:1
(B) 9:1
(C) 6:1
(D) 12:1
11-In Otto cycle, addition of heat takes place at
(A) Constant pressure
(B) Constant volume
(C) Partially at constant pressure
(D) Any of the above
12-Which of the following is true for a two stroke engine?
(A) fuel efficiency is more than four stroke engine of same size
(B) higher fuel consumption
(C) used for two wheeler only
(D) eco friendly
13-In the TCP/IP protocol suite, which one of the following is
NOT part of the IP header?
(A) Destination port number
(B) Destination IP address
(C) Source IP address
(D) Fragment Offset
ANSWERS:
1-(D), 2-(A), 3-(C), 4-(C), 5-(C), 6-(C), 7-(A), 8-(A), 9-(A), 10-
(A), 11-(B), 12-(B),13-(A)