A force P of 50 N and another force Q of unknown magnitude act at 90° to each other. They are balanced by a force of 130 N. The magnitude of Q is________?
Correct answer
C. 120 N
Explanation
The correct answer is 120 N.
Correct answer
C. 120 N
Explanation
The correct answer is 120 N.
A portion of an embankment having a uniform up-gradient 1 in 500 is circular with radius 1000 m of the centre line. It subtends 180° at the centre. If the height of the bank is 1 m at the lower end, and side slopes 2:1, the earth work involved?
The gas from sludge digestion tank is mainly composed of ________?
If ‘A’ is the angle formed by two gauge faces, the crossing number will be________?
As compared to shallow-wells, deep wells have________?
A close coil helical spring of mean diameter D consists of n coils of diameter d. If it carries an axial load W, the energy stored in the spring, is________?
Which one of the following is considered to be an advantage of the heading and benching method of tunnel construction?