A. wheel base of axles is more
B. degree of curvature is more
C. both A. and B.
D. none of the above
Related Mcqs:
- Due to which of the following co-efficient of adhesion improves ?
A. Rust on the rails
B. Dust on the rails
C. Sand on the rails
D. All of the above - Co-efficient of adhesion reduces due to the presence of which of the following ?
A. Sand on rails
B. Dew on rails
C. Oil on the rails
D. both B. and C. - The normal value of adhesion friction is______________?
A. 0.12
B. 0.25
C. 0.40
D. 0.75 - Co-efficient of adhesion is________________-?
A. high in case of D.C. traction than in the case of AC. traction
B. low in case of D.C. traction than in the case of AC. traction
C. equal in both AC. and D.C. traction
D. any of the above - The value of co-efficient of adhesion will be high when rails are_________________?
A. greased
B. wet
C. sprayed with oil
D. cleaned with sand - If the co-efficient of adhesion on dry rails is 0.26, which of the following could be the value for wet rails ?
A. 0.3
B. 0.26
C. 0.225
D. 0.16 - The inputs of a NAND gate are connected together. The resulting circuit is _______________?
A. OR gate
B. AND gate
C. NOT gate
D. None of the above - Speed-time curve of main line service differs from those of urban and suburban services on following account_______________?
A. it has longer free running period
B. it has longer coasting period
C. accelerating and braking periods are comparatively smaller
D. all of the above - Quadrilateral speed-time curve pertains to which of the following services ?
A. Main line service
B. Urban service
C. Sub-urban service
D. Urban and sub-urban service - If the gain versus frequency curve of a transistor amplifier is not flat, then there is distortion ?
A. Amplitude
B. Intermodulation
C. Frequency
D. None of the above
