- the sun is directly overhead the equator
- the sun is directly overhead the Tropic of Cancer
- the sun returns to equator
- the sun is at the Tropic of Cancer
1 Answers
Call
Talk Doctor Online in Bissoy App
What is the difference, in seconds, between the current timestamp in the GMT time zone and the current timestamp in your local time zone?
Answer: Option 2 Let'
1 Answers 1 views
When a closely coiled helical spring is subjected to a couple about its axis, the stress induced in the wire material of the spring is?
Answer: Option 1 Let'
1 Answers 1 views
When an open coiled helical compression spring is subjected to an axial compressive load, the maximum shear stress induced in the wire is (where D = Mean diameter of the spring coil, d = Diameter of the spring wire, K = Wahl's stress factor and W = Axial compressive load on the spring)?
Answer: Option 4 Let'
1 Answers 1 views
When a helical compression spring is cut into halves, the stiffness of the resulting spring will be?
Answer: Option 2 Let'
1 Answers 1 views
When a closely-coiled helical spring of mean diameter (D) is subjected to an axial load (W), the deflection of the spring ($$\delta $$) is given by (where d = Diameter of spring wire, n = No. of turns of the spring and C = Modulus of rigidity for the spring material)?
Answer: Option 4 Let'
1 Answers 1 views
When a closely-coiled helical spring of mean diameter (D) is subjected to an axial load (W), the stiffness of the spring is given by?
Answer: Option 4 Let'
1 Answers 1 views
One end of a helical spring is fixed while the other end carries the load W which moves with simple harmonic motion. The frequency of motion is given by (where $$\delta $$ = Deflection of the spring)?
Answer: Option 2 Let'
1 Answers 1 views
In leaf springs, the maximum bending stress developed in the plates is (where W = Load acting on the spring, $$l$$ = Span of the spring, n = Number of plates, b = Width of plates and t = Thickness of plates)?
Answer: Option 2 Let'
1 Answers 1 views
One end of a helical spring is fixed while the other end carries the load W which moves with simple harmonic motion. The frequency of motion is given by (where $$\delta $$ = Deflection of the spring.)?
Answer: Option 2 Let'
1 Answers 2 views
In metal machining, the work-tool contact zone is a zone where heat is generated due to?
Answer: Option 2 Burnishing is the plastic deformation of a surface due to sliding contact with another object. It smooths the surface and makes it shinier. In metal machining, the work-tool contact...
1 Answers 1 views