How many cubic foot of air is required for the complete and perfect combustion of one cubic foot of methane
A.2.0 cu. Ft.
B.3.0 cu. Ft.
C.7.5 cu. Ft.
D.9.52 cu. Ft.
Category: Engineeeing Mcqs
Which of the following connections is usually not provided in a hermetically sealed type compressors?
A.Refrigerant inlet
B.Refrigerant outlet
C.Lubricating oil charging connection
D.Refrigerant charging connection
E.There is no connection provided
A hot short metal is
A.Brittle when heated
B.Brittle when cold
C.Ductile at low temperatures
D.Ductile at high temperatures
E.None of the above
Clutch slippage while clutch is engaged is particularly noticeable
A.During idling
B.At low speed
C.During acceleration
D.During braking
E.While starting the engine
1 kilowatt hour is the same as
A.1 joule
B.1000 joules
C.1000 watt-sec
D.3600 watt-hours
E.3600,000 watt-sec
A flow is said to be laminar when
A.The fluid particles moves in a zig-zag way
B.The Reynold number is high
C.The fluid particles move in layers parallel to the boundary
D.None of the above
The degree of fementation in brewing pressure can be measured by
A.Conductivity meter
B.pH meter
C.Bolometer
D.Smoke meter
E.Turbidity meter
The friction factor in turbulent flow in smooth pipes depends upon the following:
A.V, D, ?, L,
B.L,
C.(L, D, ?, ?,
D.V, D,
E.L, D, Q, V.
Raw materials for the manufacture of ammonium nitrate are
A.liquid ammonia and air
B.liquid ammonia 60% nitric acid and clay (diatomaceous earth kieselgur)
C.anhydrous ammonia and nitrous acid
D.liquid ammonia and 98% sulphuric acid
