73752. The average operating pressure of Benson boiler is
73753. The diameter of Cornish boiler varies from
73754. A single acting steam engine produces __________ power than that of double acting steam engine.
73755. The pressure of steam in the engine cylinder at the beginning of the stroke is __________ the boiler pressure.
73756. The function of a flywheel is
73757. The rate of steam produced in Benson boiler is
73758. In natural circulation steam boilers, the circulation of water is by convection currents which are set up during the heating of water.
73759. Cut-off governing of steam engines is a method of controlling the engine output by varying
73760. In a boiler, feed water supplied per hour is 205 kg while coal fired per hour is 23 kg. The net enthalpy rise per kg of water is 145 kJ. If the calorific valve of the coal is 2050 kJ/kg, then the boiler efficiency will be
73761. A safety valve mainly used with locomotive and marine boilers is
73762. Which of the following boiler is best suited to meet the fluctuating demand of steam ?
73763. First hydo electric project in malabar?
73764. A compound steam engine in which the high pressure and low pressure cylinders have common piston rod, is called
73765. An economiser is used to increase the temperature of saturated steam without raising its pressure.
73766. Besides mean effective pressure, the data required to determine the indicated power of an engine include
73767. The function of a governor is to keep the engine speed uniform at all load conditions.
73768. The efficiency of the plant __________ with the mechanical draught.
73769. For maximum discharge through a chimney, the temperature of flue gases inside the chimney should the slightly more than the atmospheric temperature.
73770. 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.
73771. 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
73772. In a fire tube boiler, the water is contained inside the tubes which are surrounded by flames and hot gases from outside.
73773. Steam engines are called external combustion engines.
73774. The diagram factor is the ratio of the
73775. By compounding the expansion of steam in two or more cylinders, the length of stroke
73776. The famous bronze image of Nataraja is a fine example of?
73777. A good steam boiler is one which produces maximum quantity of steam with the given fuel
73778. Cut-off ratio is the ratio of
73779. Which of the following is a water tube boiler ?
73780. The number of fire tubes in a Cochran boiler are
73781. The actual power supplied by the engine crankshaft is called
73782. The draught produced by a steam jet issuing from a nozzle placed in the chimney is called
73783. The chimney draught varies with
73784. The relative efficiency is defined as the
73785. Benson boiler is a __________ water tube steam boiler using forced circulation of water.
73786. Lancashire boiler has __________ internal flue tubes.
73787. Locomotive boiler is a __________ boiler.
73788. When steam after doing work in the cylinder passes into a condenser, the engine is said to be a
73789. Water tube boilers produce steam at a __________ pressure than that of fire tube boilers.
73790. The equivalent evaporation is defined as
73791. Locomotive boiler is a
73792. The ratio of the __________ to the volume at cut-off is called expansion ratio.
73793. In water tube boilers, the water passes through the tubes which are surrounded by flames and hot gases.
73794. The governing of steam engines keep the engine speed constant according to the changing load conditions
73795. A closed vessel made of steel and used for the generation of steam is called a
73796. A Tandem type compound engine requires a larger flywheel.
73797. An economiser is installed in a boiler primarily to
73798. The theoretical indicator diagram of a simple steam engine is based upon the assumption that
73799. Lancashire boiler is
73800. The diameter of a cylindrical shell of a Scotch marine boiler varies from