Related Questions
What is the correct answer?
4
__________ temperature remains constant during adiabatic saturation process of unsaturated air.
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
If the demand for an item is trebled and the order cost is reduced to one third, then the economic order quantity
C. Decreases by a factor of 3
D. Decreases by a factor of 1/3
What is the correct answer?
4
Which of the following phenomenon/ phenomena is/are diffusion controlled?
What is the correct answer?
4
Venturimeter is used to measure the flow rate of fluids in pipes, when the pipe is in __________ position.
What is the correct answer?
4
Milk is fat dispersed in water. It is an example of
What is the correct answer?
4
Force between the molecules of the same substance is called __________ force.
What is the correct answer?
4
According to thermodynamic Fahrenheit scale, the fundamental interval between ice point to steam point is
What is the correct answer?
4
Presence of nickel & chromium in steel does not raise its
What is the correct answer?
4
Routing in production, planning & control is concerned with the
A. Sequence of operation to be performed
B. Progress of work performed
C. Authorisation of work to be performed
D. Balancing of load on machines
What is the correct answer?
4
Glass reacts with
What is the correct answer?
4
Corrosion of metals cannot be prevented by its
What is the correct answer?
4
Steel is welded using the __________ flame.
What is the correct answer?
4
An atom bomb works on the principle of
C. Both the nuclear fission & fusion
What is the correct answer?
4
Which of the following equipments is used for liquid dispersion?
C. Bubble cap plate column
What is the correct answer?
4
In fluid flow, and heat and mass transfer, one encounters (i) kinematic velocity (μ), (ii) molecular diffusivity (θ) and thermal diffusivity (α). The units of these quantities are.
A. μ , α and θ all have units of m/s
B. μ , α and θ all have units of m2/s
C. α and θ have units of m2/s, while μ has unit of m/s
D. α and θ have units of m/s, while μ has unit of m2/s
What is the correct answer?
4
A common disinfectant used in village wells for disinfection of water is
D. Potassium permanganate
What is the correct answer?
4
Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is
What is the correct answer?
4
__________ glass is used in the mercury in glass thermometer meant for measuring a temperature of 500°C.
What is the correct answer?
4
'Flare tower' used in industry is meant for
A. Venting off (after burning) the excess inflammable/toxic gases at high pressure
B. Absorbing the pollutant gases from the furnace exhaust
C. Cooling of furnace exhaust gases
What is the correct answer?
4
Dielectric
A. Is an electrical insulating material
B. Of low resistivity is preferred
C. Should have high thermal conductivity
D. Need not defy the corrosive action of chemicals
What is the correct answer?
4
In case of condensers & evaporators operating under given terminal conditions, LMTD (logarithmic mean temperature difference) for counter flow as compared to that for parallel flow is
What is the correct answer?
4
In a drilling process, the metal is removed by both shearing & extrusion. General purpose drills are made of
What is the correct answer?
4
Maximum amount of thermal radiation is emitted at all wavelengths at any specified temperature by a/an __________ body.
What is the correct answer?
4
Potable water means the water used for
D. Evaporation to produce steam
What is the correct answer?
4
Which of the following relationships is correct for relating the three elastic constants of an isotropic elastic material (where, E = Young's modulus, G = Modulus of rigidity or shear modulus v = Poisson's ratio)?
What is the correct answer?
4
The difference in one unit of Rockwell hardness number corresponds to a difference in the depth of indentation of __________ mm.
What is the correct answer?
4
The underground well of a biogas plant is called the
What is the correct answer?
4
Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts same. Shafts made by __________ have residual stresses.
What is the correct answer?
4
Increasing the carbon content of steel
A. Reduces the upper shelf energy
B. Increasing the ductility transition temperature