A. 7
B. 10
C. 12
D. 17
Correct Answer: 7 ✔
Last Updated: February 08, 2019
Related MCQs
- Damage to metal surface by mechanical action is called__________?
- Stresses encountered in the metal forming processes are less than the __________ of the material?
- Materials having __________ lattice structure are usually the most ductile ?
- Presence of nickel & chromium in steel does not raise its __________?
- Current employed in resistance welding ranges from __________ kVA/cm2?
- Which of the following has the least value of ultimate tensile strength (UTS) ?
- With increase in compression ratio, the volumetric efficiency of air compressor__________?
- Compressed dry air is used as the cutting fluid, while machining__________?
- With increase in temperature, the surface tension of water__________?
- 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__________?