Mechanical Engineering MCQs

Page No. 15

The diameters of fire tubes and superheaer tubes in locomotive boiler are_________________?


a47.5 mm, 130 mm


b32.5 mm, 180 mm


c65.5 mm, 210 mm


d24.5 mm, 65 mm


View Answer 47.5 mm, 130 mm

Pick up the correct statement as regards Cornish boiler and Lancashire boiler _______________?


acornish is fire tube and lancashire is water tube


bcornish is water tube and lancashire is fire tube


ccornish has two fire tubes and lancashire has one


dlancashire has two fire tubes and cornish has one



Hard coke is produced by carborisation of coal at_______________?


aatmospheric temperature


b500-600°C


c70O-850°C


d95O-1100°C


View Answer 95O-1100°C

Hard coke is used in________________?


acement industry


bthermal power plant


cblast furnace


ddomestic use


View Answer blast furnace

Locomotive boiler is of the following type__________________?


amultitubular


bhorizontal


cinternally fired


dall of the above


View Answer all of the above

Which of the following varieties of coals is mostly used in steam boilers____________________?


anon-coking bituminous coal


bbrown coal


cpeat


dnone of the above


View Answer none of the above

A boiler in India should conform to safety regulations of__________________?


aDIN


bBS


cASTM


dIBR


View Answer IBR

Which of the following boilers is best suited to meet fluctuating demands___________________?


ababcock and wilcox


blocomotive


clancashire


dcochran


View Answer locomotive

The shell diameter and length of locomotive boiler are_______________?


a1.5 m, 4 m


b1.5 m, 6 m


c1 m, 4 m


d2 m, 4 m


View Answer 1.5 m, 4 m

In locomotive boiler, maximum steam pressure is limited to_______________?


a1 kg/cm2


b5 kg/cm2


c10 kg/cm2


d18 kg/cm2


View Answer 18 kg/cm2

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