A. Increases
B. Decreases
C. Remain constant
D. Increases linearly
Correct Answer: Decreases ✔
Last Updated: February 08, 2019
Related MCQs
- Brittleness induced due to the presence of sulphur in steel can be reduced by adding__________?
- In practice, the compression ratio of compression-ignition (CI) engine ranges from __________?
- The specific gravity of coal depends mainly on its __________ content ?
- The refractory lining of the bottom in a basic electric arc furnace is made of__________?
- Unit of viscosity in CGS system is__________?
- A dummy activity is used in PERT network to describe the__________?
- Large diameter reinforced cement concrete (RCC) pipes are generally joined by __________ joint ?
- Carnot cycle is also termed as the constant __________ cycle in thermodynamics?
- Matte smelting is used in the extraction of__________?
- The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of a proton to that of an electron ?
- Good design of the casing of a centrifugal pump aims at minimising the __________?
- Austempering process results in the formation of __________ structure ?
- Minimum safe distance between two liquid fuel storage tanks is equal to (where, H = height of the tank) ?
- Which of the following is prone to cup and cone fracture ?
- Particle nature of cathode rays is proved due to the fact that they __________?
- Which of the following is not a dielectric material ?
- The most suitable material of construction for a sewer to carry sewage under high pressure is__________?
- In “Imperial Smelting Process” for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following __________?
- The rolling process cannot be used to produce__________?
- Boiler tube size is specified by its thickness and __________ diameter ?
- Dowtherm is a__________?
- __________ test can be termed as the semi-destructive test?
- Alloying elements present in Haynes stellite, which has superior performance than high speed steel, are__________?
- Brass parts with high residual tensile stress at the surface are susceptible to season cracking (i.e. spontaneous cracking occuring on exposure to atmospheric corrosion), if its zinc percentage is more than ?
- Addition of __________ to steel does not help in improving its machinability ?
- A gas which is collected over water becomes moistened due to water vapor, exerts its own partial pressure at the gas temperature, which is termed as its__________?
- With increase in annealing temperature, the following defect density decreases?
- The leaching solvent used in Baeyer’s process for the purification of bauxite is__________?
- Boiling point of water gets lowered at high altitudes (e.g., hills), because __________?
- The process of removal of scale formed during hot rolling of steel is termed as__________?
- Alcohols are not suitable as diesel engine fuel because the cetane number of alcohols is__________?
- Which of the following is used to produce draught in the locomotive boilers ?
- Which of the following materials has the least scrap value ?
- Young’s modulus of a material is the measure of its __________?
- Tumbling is the process of improving the __________ of the materials/parts ?
- Which of the following is not categorised as the ore agglomeration process ?
- In Newton’s law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, Vg = velocity gradient) ?
- Sub zero treatment of steel is done to__________?
- The most detrimental impurity in high pressure boiler feed water is __________?
- Biological shield in a nuclear reactor is generally provided to protect against the__________?
- The thickness of oxide film is y at time t. If K1, K2 and K3 are the temperature dependent constants, the parabolic law of oxidation is given by __________?
- Plastics as a material of construction suffer from the drawback of low__________?
- A reduction in thermal resistance during heat transfer does not occur in the__________?
- Colour comparator is used to measure the__________?
- Volume of blast furnace slag is about __________ times the volume of hot metal (pig iron) of the same weight ?
- Rain drops falling through atmospheric air attain limited terminal velocity, because of __________?
- Powder metallurgy technique is used in the production of __________ tools ?
- Chlorine acts as a bleaching agent only in the presence of __________?
- Upto the critical radius of insulation, added insulation, will__________?
- Case hardening is not done by__________?
- Oxide layer formed on the non-ferrous metal surface after its annealing is__________?