Related Questions

If a man cycles at 10 km/hr, then he arrives at a certain place at 1 pm. If he cycles at 15 km/hr, he will arrive at the same place at 11 am. At what speed must he cycles to get there at noon?
A 11 km/hr
B 12 km / hr
C 13 km / hr
D 14 km / hr
If a man cycles at 10 km/hr , then he arrives at a certain place at 1 pm . If he cycles at 15km/hr, arrive at the same place at 11am . At what speed must he cycels to get there at noon ?
A 11km/hr
B 12km/hr
C 13km/hr
D 14km/hr
If both Stirling and Carnot cycles operate within the same temperature limits, then efficiency of Stirling cycle as compared to Carnot cycle
A More
B Less
C Equal
D Depends on other factors
Out of the following refrigeration cycles, which one has maximum COP?
A Air cycle
B Carnot cycle
C Ordinary vapor compression cycle
D Vapor compression with a reversible expansion engine
A single phase transformer has a maximum efficiency of 90% at full load and unity power factor. Efficiency at half load at the same power factor is -
A 87.8%
B 86.7%
C 88.26%
D 88.9%
The endurance or fatigue limit is defined as the maximum value of the stress which a polished standard specimen can withstand without failure, for infinite number of cycles, when subjected to
A Static load
B Dynamic load
C Static as well as dynamic load
D Completely reversed load
There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure ratio for the peak efficiency would
A Remain same
B Decrease
C Increase
D None of the above
Out of the following refrigration cycles, which one has the minimum COP (Co-efficient of performance)?
A Air cycle
B Carnot cycle
C Ordinary vapour compression cycle
D Vapour compression with a reversible expansion engine
Which of the following uses a lot of CPU cycles?
A GUI
B Statically generated graphics
C Dynamically generated graphics
D Generic scoping
Which of the following CSS Property determines whether an animation should run in reverse on some cycles?
A animation
B animation-run
C animation-repeat
D none of the mentioned

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