86951. Water tube boilers produce steam at a __________ pressure than that of fire tube boilers.
86952. The equivalent evaporation is defined as
86953. Locomotive boiler is a
86954. The ratio of the __________ to the volume at cut-off is called expansion ratio.
86955. In water tube boilers, the water passes through the tubes which are surrounded by flames and hot gases.
86956. The governing of steam engines keep the engine speed constant according to the changing load conditions
86957. A closed vessel made of steel and used for the generation of steam is called a
86958. A Tandem type compound engine requires a larger flywheel.
86959. An economiser is installed in a boiler primarily to
86960. The theoretical indicator diagram of a simple steam engine is based upon the assumption that
86961. Lancashire boiler is
86962. The diameter of a cylindrical shell of a Scotch marine boiler varies from
86963. The missing quantity per stroke is equal to
86964. In case of non-condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is __________ the condenser pressure.
86965. A compound steam engine requires a heavier flywheel than simple steam engines.
86966. 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
86967. The heat balance sheet for the boiler shows the
86968. The performance of a boiler is measured by the
86969. The evaporative capacity of a boiler is defined as the evaporation of 15.653 kg of water per hour from and at 100° C.
86970. The maximum heat loss is a boiler occurs due to
86971. Benson boiler requires
86972. The high pressure and low pressure cylinders in a Tandem type compound engine are regarded as having cranks
86973. The amount of water evaporated or steam produced in kg per kg of fuel burnt is known as power of a boiler.
86974. The fire tubes in a Cochran boiler usually have __________ diameter.
86975. Cut-off governing as compared to throttle governing is
86976. For the same diameter and thickness of tube, a water tube boiler has __________ heating surface as compared to fire tube boiler.
86977. Throttle governing of steam engines is a method of controlling the engine output by varying
86978. In a double acting steam engine, the steam is admitted on one side of the piston and two working strokes are produced during each revolution of the crankshaft.
86979. Cornish boilers are multi-tubular boilers.
86980. Expansion ratio is the ratio of
86981. In cross compounding, the cylinders are arranged
86982. The motion of a D-slide valve in a steam engine is simple harmonic.
86983. A device used in a boiler to control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required, is known as
86984. A single ended Scotch marine steam boiler may have one to four furnaces which enter from front end of the boiler.
86985. The high steam and low water safety valve is used to blow off steam when the
86986. In a Tandem type compound engine, the high pressure and low pressure cylinders
86987. Lancashire boiler is a stationary fire tube boiler.
86988. Lancashire boiler is used where working pressure and power required are
86989. The amount of water evaporated or steam produced in kg per kg of fuel burnt is termed as evaporative capacity of a boiler.
86990. In a compound steam engine, the temperature range per cylinder is reduced, with corresponding reduction in the condensation.
86991. The cylinder condensation or missing quantity may be reduced by
86992. The actual vacuum in a condenser is equal to
86993. The function of a superheater is to heat the feed water by utilising the heat in the exhaust flue gases before leaving through the chimney.
86994. Willian's line follows the law (where b = A constant representing the shape of the Willian's line, a = Another constant i.e. no load consumption per hour, I.P. = Indicated power, and m = Steam consumption per hour)
86995. When the total heat of steam is h kJ/kg and the sensible heat of feed water is hf1 kJ/kg, then the factor of evaporation is given by
86996. The selection of type and size of a steam boiler depends upon
86997. The maximum steam pressure in a Locomotive boiler is limited to
86998. The high pressure and low pressure cylinders in a receiver type compound engine are regarded as having cranks
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