Related Questions
What is the correct answer?
4
The atmospheric temperature during melting of ice/snow (in the atmosphere)
D. May increase or decrease; depends on the altitude where snow melts
What is the correct answer?
4
Pick out the wrong statement.
A. Complete unity of command exists in a line organisation
B. Line organisation is net suitable for expansion and growth of an industry
C. In line and staff organisation, line executes and staff directs
What is the correct answer?
4
Shampoos are commercially not available in the form of
What is the correct answer?
4
Leakage in a cooking gas cylinder is detected by
B. Pouring soap solution on the surface and locating the gas bubbles
D. Pungent smell of mercaptans present in the gas
What is the correct answer?
4
Speed of a submarine in deep sea & that of an aeroplane is measured by a/an
What is the correct answer?
4
Dry saturated steam can be converted into superheated steam by
A. Increasing its cross-sectional area of flow
B. Passing it through a pressure reducing valve
C. Forcing it downwards through a vertical tube
What is the correct answer?
4
__________ cannot increase the fatigue strength of a material.
What is the correct answer?
4
Normalising of an object does not
A. Refine coarse grain structure obtained during hot working
C. Improve yield strength
D. Improve mechanical properties
What is the correct answer?
4
__________ the exhaust gas is an indication of the incomplete combustion of fuel.
What is the correct answer?
4
Material of construction of the electrode used in the electric resistance welding is
What is the correct answer?
4
Air-petrol ratio in an automotive petrol engine is around
What is the correct answer?
4
Chlorine acts as a bleaching agent only in the presence of
What is the correct answer?
4
Stresses encountered in the metal forming processes are less than the __________ of the material.
D. Limit of proportionality
What is the correct answer?
4
The product out from a cupola is called
What is the correct answer?
4
Out of the following __________ iron has the best capability to bear sudden & excessive shocks.
What is the correct answer?
4
Age hardening is connected with
What is the correct answer?
4
In case of water (Prandtl number ≈ 6) flowing over a flat plate heated over the entire length, the thermal boundary layer thickness as compared to hydrodynamic boundary layer thickness is
What is the correct answer?
4
Bad odour in sanitary latrines is reduced by periodically sprinkling
What is the correct answer?
4
Hydrogen in liquid steels is dissolved
What is the correct answer?
4
Air/fuel ratio by weight for combustion of methane with theoretical quantity of air will be about
What is the correct answer?
4
Dislocations are __________ defects.
What is the correct answer?
4
Specific gravity of a metal, which weighs 5 kg in air and 4 kg when submerged in water, will be
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
Drills are usually made of
What is the correct answer?
4
__________ is the process of coating the surface of steel with aluminium oxide, thereby imparting it increased resistance to corrosion & oxidation upto a temperature of 700°C.
What is the correct answer?
4
Which of the following is not used as a bearing material?
What is the correct answer?
4
Diameter of the rivet to be provided on a 20 mm. thick boiler plate will be __________ mm.
What is the correct answer?
4
Which of the following low melting alloy containing bismuth and lead is used for electric fuse?
What is the correct answer?
4
The following thermocouple may be used for measuring temperature upto 1873°K.
C. Platinum-platinum rhodium
What is the correct answer?
4
If a solid is compressed adiabatically in its elastic range, its __________ remains constant