Related Questions

The centre of pressure for a vertically immersed surface lies at a distance equal to __________ the centre of gravity.
A $$\frac{{{I_{\text{G}}}}}{{{\text{A}}\overline {\text{x}} }}{\text{ below}}$$
B $$\frac{{{I_{\text{G}}}}}{{{\text{A}}\overline {\text{x}} }}{\text{ above}}$$
C $$\frac{{{\text{A}}\overline {\text{x}} }}{{{I_{\text{G}}}}}{\text{ below}}$$
D $$\frac{{{\text{A}}\overline {\text{x}} }}{{{I_{\text{G}}}}}{\text{ above}}$$
The centre of pressure acts __________ the centre of gravity of immersed surface.
A At
B Above
C Below
D None of these
Centre of pressure in an immersed body is __________ the centre of gravity.
A Above
B Below
C At
D Either above or below; depends on the liquid density
In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder whereas the last expansion is completed in low pressure cylinder. The diameter of high pressure cylinder is _________ the low pressure cylinder.
A Equal to
B Less than
C More than
D None of these
The efficiency of a pressure-velocity compounded impulse turbine is __________ as compared to pressure compounded impulse turbine.
A Same
B Less
C More
D None of these
The delivery pressure of boiler feed water pump compared to the boiler steam pressure is
A Same
B Slightly less
C Slightly more
D Much more
In a stabilised soap bubble, pressure inside it compared to external pressure is
A More
B Less
C Same
D Unpredictable
Lurgi gasifier (high pressure gasifier) as compared to Kopper Totzek gasifier (atmospheric pressure gasifier) produces
A Higher amount of methane
B Lower amount of hydrogen
C Both A & B
D Higher amount of both methane and hydrogen
An alternator coupled to a _____ runs at slow speed, as compared to as compared to others.
A diesel engine
B hydraulic turbine
C steam turbine
D gas turbine
The centre of percussion is below the centre of gravity of the body and is at a distance equal to
A h / kG
B h.kG
C h2/kG
D k2G/h

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