Match List-I with List-II:
List-I List-II
A.Dummy activity 1.Follow β distribution
B.Critical path 2.Activity orient program
C.PERT activity 3.To establish sequence only
D.Critical path method 4.Zero total slack
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Solution
Dummy Activity = To establish sequence only
critical path = zero slack
PERT activity = Follow β distribution
Critical path method= Activity orient program
As trip is to be rolled from thickness of 30 mm to 15 m musing a two high mill having roller of diameter 300 mm.The coefficient of friction for unaided bite should nearly be :
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Solution
If the upstream Mach number of a normal shoch occuring in air (k= 1.4) is 1.68, then Mach number after the shoch is ________
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Solution
In a two stage reciprocating air compressor, the suction and delivery pressure are 1 and 4 bar respectively. For maximum efficiency,intercooler pressure is ________
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Solution
For a simple vapour compression cyle, enthalpy at suction = 1600 kJ/kg, enthalpy at discharge from the compressor = 1800 kJ/kg, enthalpy at exit from the condensor = 600 kJ/kg. The COP for this refrigeration cycle will be ________
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Solution
What is the equivalent emissivity for radiant heat exchange between a small body (emissivity = 0.4) in a very large enclosure (emissivity = 0.5) ?
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Solution
A Carnot engine operater between 327°C and 27°C. If the engine produces 300 kJ of work, then change of entropy during heat will be …………….
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Solution
The value of thermal conductivity of thermal insulation applied to a hollow spherical vessel containing very hot material is 0.5 w/m-K. The convective heat transfer coefficient at the r outer surface of insulation is 10 w/m2-k. Then the critical radius of sphere will be ________
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Solution
At location 1 of a horizontal line, the fluid pressure head is 32 cm and velocity head is 4 cm. The reduction in area at location 2 is such that the pressure head drops down to zero. The ratio of velocities at location – 2 to that at location – 1 is ________
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Solution
A member is subjected to the combined action of bending moment 400 N-m and torque 300 N-m. The equivalent bending moment and equivalent torque will be ________
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Solution