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.
Equal to
Twice
Three times
Four times
- The dry saturated steam at very low pressure, (510 kg/cm²) when throttled to atmosphere will become
- Fire tube boilers are
- Which of the following is a water tube boiler?
- Incomplete combustion can be best judged by
- One kilowatt-hour energy is equivalent to
- Fire tube boilers are limited to a maximum design working pressure of
- In impulse turbines, when friction is neglected, the relative velocity of steam at outlet tip of the…
- A compound steam engine in which piston rods of high pressure and low pressure cylinders are attached…
- An air preheater
- Cut-off governing of steam engines is a method of controlling the engine output by varying
- The ultimate analysis of fuel lists
- Which of the following statement is correct?
- A valve installed between the boiler and the feed pump is
- Caking coals are those which
- Locomotive boiler is a
- The action of steam in a steam turbine is
- When the cross-section of a nozzle __________ continuously from entrance to exit, it is called a convergent…
- The effect of friction on the flow of steam through a nozzle is to
- The basic job of feed water treatment in boilers is to overcome the problem of
- For burning 1 kg of carbon to CO as per chemically correct combustion, amount of air required is
- In a boiler, feed water supplied per hour is 205 kg while coal fired per hour is 23 kg. The net enthalpy…
- O₂ content in atmospheric air on volume basis is
- Tertiary air is the air used to
- The fusible plug in small boilers is located
- The friction present between the steam and the nozzle surfaces reduces the heat drop by
- Willians line follows the law (where b = A constant representing the shape of the Willians line, a =…
- Parson's turbine is a
- In order to compare the capacity of boilers, the feed water temperature and working pressure are taken…
- Spontaneous combustion is a phenomenon in which
- Secondary air is the air used to