If the velocity ratio of a machine is 5. What is its rati...
If the velocity ratio of a machine is 5. What is its ratio of x and y?
2 : 5
1 : 5
5 : 1
3 : 1
Correct answer is C
Velocity Ratio (V.R) = distance moved by the effort (x)÷ distance moved by the load (y)
i.e. V.R = x/y
v. R = 5, x/y = ?
i.e x/y = 5/1; , where x = 5, y = 1
x : y = 5 : 1
A 40-W instrument has a resistance of 90Ω. On what voltage should it be operated normally?...
Which of these expresses the relationship between the earth’s magnetic field FE, and the field...
Convex mirrors are used as driving mirrors because images formed are ...
The image formed by a convex mirror is always ...
22688Ra → 222866Rn + X + Energy. The equation above represents a nuclear d...