Related Questions
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The boiling & freezing points on a newly defined temperature scale in degree 'D' are 400°D & 100°D respectively. The temperature reading corresponding to 60°C on this new temperature scale will be equal to __________ °D.
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4
__________ pipe is the most suitable for carrying sanitary drainage.
B. Reinforced cement concrete
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Nitriding of a steel part does not increase its
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Shampoos are commercially not available in the form of
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If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a __________ reactor.
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On oscilloscope screen for dynamic measurement, lissajous diagram is normally used to determine the __________ of the input signal.
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Tesla metre per ampere (T. m/A) is the unit for the measurement of
A. Magnetic susceptibility
C. Permeability of free space
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Work study deals with the __________ study.
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The following type of bonding is strongly directional in solids.
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Probability of cavitation occuring becomes very high, when the local __________ resulting in water bubbles formation, which on rupture cause cavitation
A. Pressure falls below the vapour pressure
B. Pressure becomes very high
C. Temperature becomes low
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Out of the following, the most malleable material is
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Satellites burn off during re-entry to earth's atmosphere, because of the
B. Gravitational pull by earth
C. Friction with earth's atmosphere
D. Loss in weight of the satellite
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With increase in temperature, the electrical conductivity of a __________ decreases.
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Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well. The thermal well made of __________ will facilitate the most accurate measurement of the temperature.
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4
Fatigue resistance of a material is measured by the
B. Ultimate tensile strength
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Evaporative cooling process employs a combination of cooling and humidification in which the
A. Sensible heat is added
B. Sensible heat is removed and the latent heat is added
C. Latent heat is removed
D. Sensible heat is added and latent heat is removed
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Tin based white metals are used, where bearings are subjected to
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__________ fluid force is not considered in the Navier-Stokes equation.
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Coating provided on the electrodes used in the arc welding is not expected to
B. Prevent electrode from contamination
D. Provide protective atmosphere to weld
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Heat flow across a hollow sphere of inner radius 'r1' and outer radius 'r2' is directly proportional to
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4
Stellite is a __________ material.
D. Non-ferrous cast alloy cutting tool
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In case of compression of one kg of air, the work done will be the least, when the value of polytropic index 'n' is
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Temperature attained in soldering of metals is about __________ °C.
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Which of the following is not a dielectric material?
A. Cotton, silk and paper
B. Asbestos, glass, porcelain and mica
C. Rubber and polymeric resins
D. All refractory materials
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Steel rods are normally used for concrete reinforcement because concrete and steel have almost equal
D. Thermal co-efficient of expansion
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Insulation of liquid surface can be achieved by __________ on top of its surface.
A. Floating hollow polypropylene spheres
B. Spraying alumina powder
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4
Vernier calipers cannot be used to measure the
A. I.D. & O.D. of the shaft
D. Clearance between two mating surfaces
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The product (s) of roasting of a sulphide ore is (are)
D. Dependent on temperature and partial pressure of oxygen & sulphur dioxide
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The trace metal present in insulin is
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Heat transfer to the water wall in a high pressure water wall type boiler furnace is mainly by