1. A cold drawn seamless steel tubing subject to internal pressure, has a diameter of 6 cm and wall thickness of 0.2 cm. The ultimate strength of steel is 3600 kg/cm2. The bursting pressure (in kg/cm2) is
2. Consider the following statements : Sand in mortar is needed for 1. decreasing the quantity of cement. 2. reducing shrinkage. 3. decreasing the surface area of the binding material. 4. increasing the strength. Of these statements :
Correct Answer: 7 % for every 300 m of elevation above MSL
4. The rectangular block shown in the given figure is subjected to pure shear to intensity 'q'. If BE represents the i principal plane and the principal stresses are ?1, ?2 ; then the values of ?, ?1 and ?2 will be respectively.
5. The ratio of total elongation of a bar of uniform cross-section produced under its own weight to the elongation produced by an external load equal to the weight of the bar is
7. The following steps are involved in laying a sewer in a trench : 1. Transferring the center line of the sewer to the bottom trench. 2. Setting sight rails over the trench. 3. Driving pegs to the level of the invert line of the sewer. 4. Placing the sewer of these steps is The correct sequence of these steps is
10. A high efficiency pump is required for low discharge, high head and low maintenance cost. Delivery of water need not be continuous. The pump need not run at high speed. Which one of the following is the correct choice?