Home
About Us
Contact Us
Privacy Policy
Search
Home
→
Chemical Engineering Basics
→
A high pressure boiler generates steam at a pressure greater than _____________________ kg/cm2 ?
Related MCQs
The best lubricants for a machine working at high temperature & load is__________?
Blast furnace slag is mainly molten__________?
Ammonia leakage in the refrigeration system is detected by__________?
Which of the following parameters is not responsible for the heat loss from a hot steam carrying bare pipe surface located in a room without fans ?
Transition from laminar to turbulent zone in free convection heat transfer is governed by the critical value of ?
Cast iron contains __________ percent carbon?
Wrought iron is not__________?
With increase in steam pressure, its specific volume decreases __________?
Powder metallurgy process does not make metal powder by__________?
Vernier calipers cannot be used to measure the__________?
What is the value of entropy at 273°K ?
The softness or hardness of a grinding wheel depends upon the type & amount of bonding material used. For general purpose cutter grinding __________ grinding wheel is normally used ?
Stainless steel is welded with difficulty because of__________?
__________ of grey cast iron produces white cast iron?
Sudden fall of atmospheric pressure by a large amount is an indication of the__________?
Which of the following is not a charge material for cupola ?
Transformation range for ferrous material is the temperature interval during which __________ is formed during its heating?
High speed steel tools retain their hardness upto a temperature of __________ °C?
As the fluid flow rate increases, the float of the Rotameter__________?
Which one of the following is incombustible ?
The minimum carbon content in steel should be __________ percent for it to respond to a hardening treatment ?
__________ is the trade name assigned to a non-ferrous cast alloy composed of cobalt, chromium & tungsten ?
Runge-Kutta method is used to solve a/an __________?
Machinability of hard alloys and tool steels is improved by__________?
The ratio of the shear stress to the principal stress on a principal plane is__________?
Which of the following is a commonly used manometric liquid for low pressure range ?
__________ has a negative co-efficient of linear expansion?
Maximum permissible sulphur content in steel is __________ percent ?
A spring material should have low__________?
A common disinfectant used in village wells for disinfection of water is __________?
Which of the following is not an ore of copper ?
Dislocations are __________ defects?
M10 index of coke indicates its__________?
Addition of __________ to steel does not impart hardness?
Which of the following is an acidic constituent of B.F. slag ?
Larger length & diameter water pipes are made by__________?
Eutectoid composition of carbon steel at room temperature is__________?
The refrigerant freon-12 is chemically__________?
Water-tube boiler is the one, in which __________?
Ferromagnetic materials owe their properties to __________ inner sub-shells ?
The yield point phenomenon observed in annealed low carbon steel is due to the presence of the following element ?
Out of the following, which will fracture most readity, when hit with a hard hammer ?
__________ stress cannot be sustained by a fluid in equilibrium ?
Oxyacetylene reducing flame is used while carrying out welding on__________?
For a spontaneous natural process at constant temperature and pressure, the free energy of the system always__________?
To improve the machinability of steel, it is generally subjected to __________?
Dephosphorization of molten pig iron is favoured by__________?
Inertial forces are obtained, when the elastic forces are multiplied by __________ number?
Metal shots used in shot blasting are made of __________?
Circular cross section machine parts which are symmetrical about the axis of rotation are made by hot__________?
A pycnometer is used for the measurement of__________?
A high pressure boiler generates steam at a pressure greater than _____________________ kg/cm2 ?
A. 10
B. 30
C. 50
D. 80
Correct Answer:
80
✔
Last Updated:
February 08, 2019