Q. Benson boiler requires

View solution

Q. The high pressure and low pressure cylinders in a Tandem type compound engine are regarded as having cranks

View solution

Q. The amount of water evaporated or steam produced in kg per kg of fuel burnt is known as power of a boiler.

View solution

Q. The fire tubes in a Cochran boiler usually have __________ diameter.

View solution

Q. Cut-off governing as compared to throttle governing is

View solution

Q. A compound steam engine in which piston rods of high pressure and low pressure cylinders ' are attached to two different cranks set at 180° to each other, is called

View solution

Q. The heat balance sheet for the boiler shows the

View solution

Q. The performance of a boiler is measured by the

View solution

Q. The evaporative capacity of a boiler is defined as the evaporation of 15.653 kg of water per hour from and at 100° C.

View solution

Q. The maximum heat loss is a boiler occurs due to

View solution

Q. For maximum discharge through a chimney, the temperature of flue gases inside the chimney should the slightly more than the atmospheric temperature.

View solution

Q. The internal flue tubes of a Lancashire boiler are reduced in diameter at the back to provide access to the lower part of the boiler.

View solution

Q. A device in which some portion of waste heat of flue gases is recovered to heat the air before it passes to the furnace for combustion purpose, is knwon as

View solution

Q. In a fire tube boiler, the water is contained inside the tubes which are surrounded by flames and hot gases from outside.

View solution

Q. Steam engines are called external combustion engines.

View solution

Q. The diagram factor is the ratio of the

View solution

Q. By compounding the expansion of steam in two or more cylinders, the length of stroke

View solution

Q. The velocity of flue gases (V) through the chimney under a static draught of(H') metres is given by

View solution

Q. A good steam boiler is one which produces maximum quantity of steam with the given fuel

View solution

Q. Cut-off ratio is the ratio of

View solution