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The power saved by fitting air vessel to a single-acting reciprocal pump is ?
A steel cube of volume 8x106mm3 is subjected to all round stress of 135 N/mm2. The bulk modulus of material is 1.35x105N/mm2.The volumetric change is ?
A beam A carries a point load at mid span. Another identical beam B carries the same load but as uniformly distributed load over the entire span. The ratio of maximum bending moment in beam A to that in beam B will be ?
The distance in m 3 /sec. for laminar flow through a pipe of diameter 0.04m having centerline velocity of 1.5 m/sec. is ?
Certain pilot study showed that % of occurrence of an activity as 50% with 95% confidence level ad an accuracy of ±2%, the no. of observations are ?
Ann IC engine has a bone and stroke of 2 units each. The area to calculate heat loss can be taken as ?
A block plate (0.5 m x 1 m) is at a distance of 0.5 m from a second black plate, (1 m x 2 m). The shape factor F12 of the first plate is 0.48. What is the shape factor F21 of second plate ?
A heat engine operates at 75% of the maximum possible efficiency. The ratio of heat source temperature to the heat sink temperature (in Kelvin) is 5/3. The function of the heat supplied, that is converted to work is ?
If a + b – 2a + 3b – ab, then the value of (3 - 5 + 5 ÷ 3) is ?
The product of two numbers is 2028 and their H.C.F. is 13. The number of such pairs is ?
I am three times as old as my son. 15 years hence, I will be twice as old as my son. The sum of our ages is ?
A and B together can do a work in 12 days. B and together do it in 15 days. If A efficiency is twice that of C, then the day required for B alone to finish the work is ?
The detrimental property of a material for shock load application is ?
A and B can do a work in 12 days, B and C can do the same work in 15 days, C and A can do the same work in 20 days. The time taken by A, B and C to do the same work it ?
Two equal vessels are filled with the mixtures of water and milk in the ratio of 3 : 4 and 5 : 3 respectively. If the mixtures are poured into a third vessel, the ratio of water and milk in the third vessel will be ?
If multiplied a natural number by 18 and another by 21 andadded the products. Which one of the following could be the sum ?
Surface roughness on a drawing is represented by ?
A rectangular beam is to be cut from a circular log of diameter D. The ratio of breadth to depth for strongest section in bending should be ?
A bar of 40 mm diameter is subjected to an axial load of 4 kN. The extension of bar over a gauge length of 200 mm is 0.3 mm. The decrease in diameter is 0.018 mm. The Poisson’s ratio is ?
Two long columns A and B are of the same material, the same length, and the same cross-section. Column A is hinged at both ends, while column B is fixed at one end and hinged at the other. The ratio of the Euler-crippling loads for A and B is ?
Water at rate of 60Kg/mm is heated from 35to 85 oC by an oil. The LMTD is given as 40 oC. The overall coefficient is 300W/m2-oC. Specific heat of water is 4.2kJ/kg-oC. The heat exchange area, in square meters, is ?
An oil of specific gravity 0.9 is contained in a vessel. At a point the height of the oil is 40 m. The corresponding height of water at that point is ?
Three bells ring simultaneously at 11 a.m. They ring at regular intervals of 20 minute 30 minutes, 40 minutes respectively. The time when all the three ring together next ?
Water flows into a trank which is 200 m long and 150 m wide, through a pipe of crosssection 0.3 m × 0.2 m at 20 km/hour. Then the time (in hours) for the water level in the tank to reach 8 m is ?
A child reshapes a cone make up of clay of height 24 cm and radius 6 cm into a sphere. The radius (in cm) of the sphere is ?
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