Related Questions

A survey was conducted among the students of Khulna University to find out how many forms of physical exercise usually swam, 25% said they usually did jogging, 20% said they played cricket, 15% said they usually played football and 20 respondents said they did not take any form of exercise. From the above findings it can be concluded that.
A The student of khulna University do not usually take physical exercise.
B No respondent took more than one form of exercise.
C The method of data collection was not valid.
D Some of the respondents took more than one form of exercise.
A two stroke cycle engine gives ________ the number of power strokes as compared to the four stroke cycle engine, at the same engine speed.
A Half
B Same
C Double
D Four times
If the controlling force line for a spring controlled governor when produced intersects the Y-axis at the origin, then the governor is said to be
A stable
B unstable
C isochronous
D none of the mentioned
In a spring controlled governor, when the controlling force ________ as the radius of rotation increases, it is said to be a stable governor.
A Remains constant
B Decreases
C Increases
D None of these
For the same length of stroke and speed of crankshaft, the piston speed for a double acting steam engine is _________ the piston speed of single acting steam engine.
A Equal to
B Twice
C Three times
D Four times
An engine pulls four identical carriages. The engine is 2/3 the length of a carriage and the total length of the train is 86.8m. Find the length of the engine.
A 12.4m
B 12m
C 11.5m
D 13m
If the engine coolant leaks into the engine oil, then engine oil
A Appears milky
B Become foamy
C Turns black
D None of these
For two governors A and B, the lift of sleeve of governor A is more than that of governor B, for a given fractional change in speed. It indicates that
A governor A is more sensitive than governor B
B governor B is more sensitive than governor A
C both governors A and B are equally sensitive
D none of the mentioned
When the sleeve of a Porter governor moves upwards, the governor speed
A increases
B decreases
C remains unaffected
D none of the mentioned
When the sleeve of a Porter governor moves downwards, the governor speed
A increases
B decreases
C remains unaffected
D first increases and then decreases

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