For maximum horse power transmission in belt drives the velocity of belt left such that the ration tight side driving tension/centrifugal tension is
A.1
B.2
C.3
D.4
E.None of the above
Category: Machine Design Mcqs
The edges of boiler plates for fullering and caulking are bevelled at an angle of
A.30?
B.45?
C.60?
D.70?
E.80?
In order to avoid interference for 20 pressure and teeth, minimum number of teeth should be
A.8
B.12
C.16
D.More than 18
E.More than 24
A 20 HP 1500 r.p.m. induction motor will take current of nearly
A.1 Amp
B.5 Amp
C.10-15 Amp
D.15-20 Amp
E.20-30 Amp
A single ply leather belt running at a belt velocity of 300 ft/min is likely to transmit per inch of width
A.1.5 HP
B.3.0 HP
C.4.0 HP
D.5.0 HP
E.6.0 HP
Neglecting bending, for a parallel load on a fillet weld of equal legs the plane of maximum shear occurs at
A.15?
B.22
C.30?
D.45?
E.60?
A motor weighing 2000 kg is to be lifted by wrought iron eye bolt, screwed into the frame. Clioose-single bolt out of the following:
A.M 12 coarse threads
B.M 30 coarse threads
C.M 12 fine threads
D.M 30 Fine threads
E.None as wrought iron is brittle
Aircraft body is
A.Welded structure
B.Riveted structure
C.Cast structure
D.Precast structure
E.None of the above
In case of quadruple riveted butt joints the joint efficiency is usually assumed in the range
A.40-50%
B.50-60%
C.60-75%
D.75-85%
E.85-95%
The compression members tend to buckle in the direction of
A.Axis of load
B.Perpendicular to the axis of load
C.Minimum cross-section
D.Least radius of gyration
E.None of the above
