Related Questions
What is the correct answer?
4
In a neutral solution
C. Both H+ and OH- ions are present in very small but equal concentration
What is the correct answer?
4
__________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently.
What is the correct answer?
4
An abrupt and sudden fall in the reading of barometer is an indication of the
What is the correct answer?
4
Brazing filler metal used for joining steel plates
A. Melts below the melting points of base metals
C. Is copper phosphorous alloy
What is the correct answer?
4
Vibration upto 100 kilo hertz can be most accurately measured by a __________ type accelerometer.
What is the correct answer?
4
The cathode in an electrochemical cell always carries
D. Positive or negative charge depending upon the nature of the cell
What is the correct answer?
4
The amount of water evaporated in kg per kg of fuel burnt in a boiler is called the __________ of a boiler.
B. Evaporation efficiency
What is the correct answer?
4
Transition from laminar flow to turbulent flow in fluid flow through a pipe does not depend upon the
What is the correct answer?
4
The same volume of all gases is representative of their
C. Gas characteristic constants
What is the correct answer?
4
Which of the following is resistant to the action of both heat & chemicals?
What is the correct answer?
4
Breakeven point represents the condition, when the company runs under no profit no loss condition. In break even analysis, total cost comprises of fixed cost
What is the correct answer?
4
Plastics as a material of construction suffer from the drawback of low
What is the correct answer?
4
Steel rods are normally used for concrete reinforcement because concrete and steel have almost equal
D. Thermal co-efficient of expansion
What is the correct answer?
4
The effect of friction on the flow of steam through a nozzle is to decrease the __________ of steam.
What is the correct answer?
4
Coarse grained steels have
B. No tendency to distort
What is the correct answer?
4
__________ rubber is generally used for making 'O' rings used for vacuum sealings.
What is the correct answer?
4
A dummy activity is used in PERT network to describe the
A. Precedence relationship
What is the correct answer?
4
The best guide to judge the general quality of water is the measurement of its
B. Electrical conductivity
D. Dissolved oxygen content
What is the correct answer?
4
The product (s) of roasting of a sulphide ore is (are)
D. Dependent on temperature and partial pressure of oxygen & sulphur dioxide
What is the correct answer?
4
Flue gases pass through the following boiler accessories in a high pressure natural circulation boiler.
A. Induced draft fan
B. Economiser
C. Air preheater
D. Steam superheater Which of the following gives the correct sequence of flow of the flue gases through the above mentioned boiler accessories?
What is the correct answer?
4
The main charge in blast furnace is usually
C. Limestone, coke & iron ore
D. Limestone, sand & iron ore
What is the correct answer?
4
Basicity of the slag in Indian blast furnace is in the range of
What is the correct answer?
4
Constituents of stellite are
B. Cobalt, chromium & tungsten
C. Zinc, aluminium & nickel
D. Nickel, cobalt & vanadium
What is the correct answer?
4
Cast iron contains __________ percent carbon.
What is the correct answer?
4
For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship similar to that expressed by the pressure volume plot?
B. Temperature - pressure
What is the correct answer?
4
The lightest non-inflammable gas is
What is the correct answer?
4
'Ice point' is designated on Fahrenheit temperature scale by
What is the correct answer?
4
Increase in temperature, in general results in the
A. Decrease in the viscosities of both liquids & gases
B. Increase in the viscosities of both liquids & gases
C. Increase in the viscosity of liquids and decrease in that of gases
D. Decrease in the viscosity of liquids and increase in that of gases
What is the correct answer?
4
Volumetric composition of flue gas analysed with the Orsat apparatus is : CO2 = 12%, O2 = 8%, CO = nil, N2 = 80%. This flue gas composition indicates that
A. Pure oxygen has been used for combustion
B. Nitrogen percentage in the fuel is very high
C. Excess air has been used for combustion
D. Hydrogen is not present in the fuel
What is the correct answer?
4
Regeneration of molecular sieve requires it to be heated to a temperature of about __________ °C.