Related Questions

The ratio of the clearance volume to the swept volume is called
A Cut-off ratio
B Expansion ratio
C Clearance ratio
D None of these
There is always some steam left in the clearance space from the previous stroke. This steam left in the clearance space is called
A Wet steam
B Saturated steam
C Superheated steam
D Cushion steam
Highest useful compression ratio (HUCR) is the highest compression ratio at which the
A Engine can run
B Engine gives maximum output
C Engine is most efficient
D Fuel can be used in a test engine without knocking
If the height of a right square pyramid is increased by 12%, by what percent must the side of the base be increased, so that the volume of the pyramid is increased by 28%?
A 3%
B 7%
C 10%
D 36%
In a single acting reciprocating air compressor, without clearance, the compression of air may be
A Isothermal
B Polytropic
C Isentropic
D Any one of these
The compression ratio for Diesel engines is
A 15 to 20
B 5 to 8
C 3 to 6
D 20 to 30
Compression ratio of I.C. Engines is
A The ratio of volumes of air in cylinder before compression stroke and after compression stroke
B Volume displaced by piston per stroke and clearance volume in cylinder
C Ratio of pressure after compression and before compression
D Swept volume/cylinder volume
The compression ratio for petrol engines is
A 3 to 6
B 5 to 8
C 10 to 20
D 15 to 30
The compression ratio for Diesel engines usually lies in the range of
A 6 - 10
B 10 - 15
C 15 - 25
D 25 - 40
Ratio of permissible stress in direct compression and bending compression is
A Less than 1
B Between 1 and 1.5
C Between 1.5 and 2.0
D Greater than 2

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