A. Hydraulic system
B. Pneumatic system
C. Vacuum system
D. None of the above
Related Mcqs:
- Which of the following braking systems on the locomotives is costly ?
A. Regenerative braking on electric locomotives
B. Vacuum braking on diesel locomotives
C. Vacuum braking on steam locomotives
D. All braking systems are equally costly - The steam engine provided on steam locomotives is____________?
A. single acting condensing type
B. single acting non-condensing type
E. double acting condensing type
D. double acting non-condensing type - The pulsating torque exerted by steam locomotives causes which of the following ?
A. Jolting and skidding
B. Hammer blow
C. Pitching
D. All of the above - The horsepower of steam locomotives is______________?
A. up to 1500
B. 1500 to 2000
C. 2000 to 3000
D. 3000 to 4000 - Which of the following is the advantage of electric braking ?
A. It avoids wear of track
B. Motor continues to remain loaded during braking
C. It is instantaneous
D. More heat is generated during braking - For which of the following locomotives the maintenance requirements are the least ?
A. Steam locomotives
B. Diesel locomotives
C. Electric locomotives
D. Equal in all of the above - The braking retardation is usually in the range__________________?
A. 0.15 to 0.30 km phps
B. 0.30 to 0.6 km phps
C. 0.6 to 2.4 km phps
D. 3 to 5 km phps
E. 10 to 15 km phps - In case of steam engines the steam pressure is_______________?
A. 1 to 4 kgf/cm2
B. 5 to 8 kgf/cm2
C. 10 to 15 kgf/cm2
D. 25 to 35 kgf/cm2 - The efficiency of diesel locomotives is nearly_______________?
A. 20 to 25 percent
B. 30 to 40 percent
C. 45 to 55 percent
D. 60 to 70 percent - Locomotives with monometer bogies have_________________?
A. uneven distribution of tractive effect
B. suitability for passanger as well as freight service
C. lot of skidding
D. low co-efficient of adhesion
