Related Questions

A single acting steam engine produces __________ power than that of double acting steam engine.
A equal
B double
C half
D 4 times
The change in length due to a tensile or compressive force acting on a body is given by (where P = Tensile or compressive force acting on the body, $$l$$ = Original length of the body, A = Cross-sectional area of the body and E = Young's modulus for the material of the body)
A $$\frac{{{\text{P}}l{\text{A}}}}{{\text{E}}}$$
B $$\frac{{{\text{P}}l}}{{{\text{AE}}}}$$
C $$\frac{{\text{E}}}{{{\text{P}}l{\text{A}}}}$$
D $$\frac{{{\text{AE}}}}{{{\text{P}}l}}$$
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
The __________ of a double acting reciprocating pump as compared to the single acting pump will be almost double.
A Flow output
B Head developed
C Overall efficiency
D Weight
A double acting reciprocating pump compared to a single acting pump (of almost same size working under same pressure levels) would give almost double
A Head
B Discharge
C Efficiency
D None of these
A man 6 feet tall casts a shadow 4 feet long, at the same time a flagpole casts a shadow which is 50 feet long. How long is the flagpole?
A 50 feet
B 75 feet
C 60 feet
D 80 feet
A train 240m long passed a pole in 24 sec. How long it will take to pass 650m long platform?
A 65sec
B 89sec
C 100sec
D 130sec
A 240 m long train passed a pole in 24 seconds. How long will it take to pass a 650 m long platform?
A 65 sec
B 89 sec
C 100 sec
D 130 sec
A train 240m long passed a pole in 24 seconds. How long will it take to pass a platform 650m long ?
A 65 sec
B 89 sec
C 100 sec
D 150 sec
A 55 meter long train passes a 220 meter long railway station in 10 seconds. How many seconds will it take to pass another train 110 meter long?
A 6 sec
B 2.5
C 4
D 3.5

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