You Are On Multi Choice Question Bank SET 1479
73951. The crown of the fire box is made hemispherical in order to resist intense heat in the fire box.
73952. For maximum discharge through a chimney, the condition is that height of hot gas column producing the draught should be
73953. Water tube boilers are
73954. The German Grand Prix is held in which city of Germany?
73955. Which of the following compound steam engine requires a smaller flywheel ?
73956. The object of producing draught in a boiler is
73957. In a glass tube type water indicator for a boiler, one end of the tube is connected to water space and the other end is connected to
73958. In water tube boilers
73959. The celebrated Rumminderi Pillar of Ashoka Maurya Marked the site /place where Gautama Buddha?
73960. A grate, in a boiler, is a place in the combustion chamber upon which fuel (wood or coal) is burnt.
73961. An interpretation of the Indian Constitution is based on the spirit of the .........?
73962. Travancore Muslim Mahajanasabha was founded by?
73963. Who was the founder of the Sunga Dynasty which succeeded the Imperial Mauryas?
73964. The trekkers set up the hill at a ......... pace. (Use the antonym of ‘sluggish’)?
73965. Hiuen Tsang, the Chinese pilgrim, visited India during the reign of?
73966. The discharge of steam in a convergent-divergent nozzle __________ after the throat (i.e. in the divergent portion of the nozzle)
73967. The rate of discharge through the nozzle __________ when the exit pressure is gradually reduced.
73968. The velocity of steam leaving the nozzle (V) is given by (where K = Nozzle coefficient or nozzle efficiency, and hd = Enthalpy or heat drop during expansion of steam in a nozzle)
73969. In a nozzle, whole frictional loss is assumed to occur between
73970. The critical pressure ratio for initially wet steam is
73971. The isentropic enthalpy drop in moving blade is two-third of the isentropic enthalpy drop in fixed blades of a turbine. The degree of reaction will be
73972. The impulse reaction turbine has its driving force
73973. The efficiency of reaction turbine is maximum when (where α = Angle made by the absolute velocity (V) at inlet)
73974. A regenerative steam cycle renders
73975. De-Laval turbine is a
73976. The turbine, in which the general direction of the steam flow is parallel to the turbine axis, is called axial flow turbines
73977. The critical pressure gives the velocity of steam at the throat equal to the velocity of sound.
73978. The reheat factor is the ratio of the
73979. The turbine blades do not change the direction of steam issuing from the nozzle.
73980. Thermal equilibrium means that the flow of steam is
73981. When the back pressure of a nozzle is below the designed value of pressure at exit of nozzle, the nozzle is said to be
73982. The ratio of the workdone on the blades to the energy supplied to the blades, is called
73983. The discharge is __________ at critical pressure.
73984. The supersaturated flow of steam through a nozzle as compared to a stable flow, the available heat drop
73985. The steam leaves the nozzle at a
73986. The critical pressure gives the velocity of steam at the throat
73987. The Parsons' reaction turbine has
73988. The action of steam in a steam turbine is
73989. The blade velocity coefficient is ratio of relative velocity of steam at outlet tip of the blade to the relative velocity of steam at inlet tip of the blade.
73990. Multi-stage steam turbines are of the
73991. The largest living bird is?
73992. In reaction turbines, the axial thrust is due to
73993. Who among the following ruling dynasties of South India were the biggest rivals of Cholas?
73994. A binary vapour plant consists of
73995. In a De-Laval nozzle expanding superheated steam from 10 bar to 0.1 bar, the pressure at the minimum cross-section (i. e. pressure at throat, p2) will be
73996. The stage efficiency (ηS) is given by (where ηB = Blading efficiency, and ηN = Nozzle efficiency)
73997. The critical pressure ratio for initially dry saturated steam is more as compared to initially wet steam.
73998. In a convergent divergent nozzle, the discharge depends upon the initial conditions of steam and the area of nozzle at throat.
73999. Parson's reaction turbine is a __________ reaction turbine.
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74000. The turbine blades are
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