Figure Activity 3.1
4. Four for
of the for
crane-girder:
a metal beam
1. Calculate the magnitude of the mass M hanging
from a crane-girder AB as shown in Figure 3.12.
Also determine the magnitude of the force in the
chain BC that is keeping the girder in equilibrium.
The force in the girder is 400 N.
on which
P Р
the hoist head
С C
of a travelling
overhead crane
runs
Figure 3.11: A crane with
the girder in the left of the
photograph (see question
50 N
4 m
6 m
B
A
400 N
Figure 3.15: A
M
Figure 3.12: A mass M hanging from a crane girder​

Line joining liquid phase with liquid and solid phase mixture is known as: a) liquidus b) solidus c) tie line d) none of the mentioned

Asingle-geared blanking press has a stroke of 200 mm and a rated capacity of 320 kn. a cam driven ram is assumed to be capable of delivering the full press load at constant force during the last 15 percent of a constant-velocity stroke. the camshaft has an average speed of 90 rev/min and is geared to the flywheel shaft at a 6: 1 ratio. the total work done is to include an allowance of 16 percent for friction a) estimate the maximum energy fluctuation b) find the rim weight for an effective diameter of 1.2 m and a coefficient of speed fluctuation of 0.10

Ifa component is made of two or more materials with different modulus of elasticity (e), it is called a composite member and we calculate the factor·n". mention the formula for calculating n". also, ifn> 1, explain what will happen to the 1. transformed.gi) ifn 1, what will happen to the material when transformed material when