PPSCFPSCNTSPakistan govt jobs
- Subject
- Theory of Machinesmechanical-engineering-mcqs › theory-of-machines
- Published
- 25 Jan 2019
- Last updated
- 28 May 2026
Explanation
In simple harmonic motion, the velocity vector is ahead of the displacement vector by a quarter of a cycle, which corresponds to a 90° phase lead. This means velocity reaches its maximum value when displacement is zero and moving towards equilibrium.
More Theory of Machines MCQs
Practice related questions from the same subject.
- 1.What defines higher pairs in mechanical elements?
- 2.What type of kinematic pair is formed by a cam and a roller follower?
- 3.What defines open pairs in mechanical elements?
- 4.How many links are present in the Hart mechanism?
- 5.What is the primary drawback of a sliding pair?
- 6.An eccentric sheave, which is fixed at a single pivot, rotates and imparts oscillating motion to a link that is pivoted at one end and attached to the sheave at the other. How many links does this mechanism contain?
- 7.How many links are present in the most basic cam mechanism?
- 8.In a kinematic chain, one link is typically held stationary. What happens to the relative motion of the other links if the fixed link is altered?
More in Mechanical Engineering Mcqs
- Compressors, Gas Turbines and Jet Engines
- Engineering Materials
- Engineering Mechanics
- Fluid Mechanics
- Heat Transfer
- Hydraulic Machines
- I.C. Engines
- Machine Design
- Nuclear Power Plants
- Production Technology
- Refrigeration and Air Conditioning
- Steam Boilers, Engines, Nozzles and Turbines
- Strength of Materials
- Thermodynamics
- Workshop Technology