_ The stiffness of a closely coiled helical spring subjected to an axi – McqOptions

MCQOPTIONS

1.	_ The stiffness of a closely coiled helical spring subjected to an axial load W is equal to (where G = Modulus of rigidity, and n = Number of active coils)$?
A.	Gd‚Äö√Ö¬•/ 8D3n
B.	Gd3/ 8D3n
C.	Gd‚Äö√Ö¬•/ 4D3n
D.	Gd‚Äö√Ö¬•/ 8D¬¨‚â§n
Answer» B. Gd3/ 8D3n

Discussion

No Comment Found

Related MCQs

The bearings of medium series have capacity __________ over the light series.
The antifriction bearings
In a partial journal bearing, the angle of contact of the bearing with the journal is
A shaft coupling should
Which of the following property is desirable in parts subjected to shock and impact loads?
In block brakes, the ratio of shoe width to wheel diameter is taken between
Oldham coupling is used to transmit power between two parallel shafts which are slightly offset.
A shaft is subjected to fluctuating loads for which the normal torque () and bending moment () are 1000 N-m and 500 N-m respectively. If the combined shock and fatigue factor for bending is 1.5 and combined shock and fatigue factor for torsion is 2, then the equivalent twisting moment for the shaft is
The major diameter of a screw thread is also known as core or root diameter.
The initial tension (in newtons) in a bolt used for making a fluid tight joint like steam engine cover joints, is calculated by the relation (where = Nominal diameter of bolt in mm)