Steam Boilers and Engines Questions

• The ratio of brake power to the indicated power is known as
• Which of the following statement indicates the difference between Cornish boiler and Lancashire boiler?
• An air preheater
• The water tubes in a simple vertical boiler are
• Locomotive boiler produces steam at a very high rate.
• The forced circulation of water does not take place in
• A Cochran boiler is a horizontal multi-tubular boiler.
• The length of Lancashire boiler varies from
• Which of the following are boiler accessories?
• In forced circulation steam boilers, the force is applied
• The amount of water evaporated in kg per kg of fuel burnt is called
• By compounding the expansion of steam in two or more cylinders, the ratio of expansion
• The average value of diagram factor lies between
• Which of the following is a fire tube boiler?
• Fire tube boilers are limited to a maximum working pressure of
• The diameter of superheated tubes in a locomotive boiler is
• When the speed of the engine is controlled by means of a valve in a steam pipe, which regulates the pressure of steam entering the engine, then the governing is known as
• 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.
• The ratio of the actual vacuum to the ideal vacuum in a condenser is called
• The draught (in mm of water), for maximum discharge of flue gases through the chimney, is given by (where H = Height ot the chimney in metres, and T1 = Absolute temperature of air outside the chimney in K)