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- Question
A nozzle discharging water under head H has an outlet area "a" and discharge coefficient cd = 1.0. A vertical plate is acted upon by the fluid force Fj when held across the free jet and by the fluid force Fn when held against the nozzle to stop the flow, the ratio Fj/Fn is
Options- A. 1/2
- B. 1
- C. 2
- D. 2
- Correct Answer
- 1
- 1. The minimum horizontal distance between two parallel main reinforcing bars, is
Options- A. the diameter of the bar if their diameters are same
- B. the diameter of the longer bar if their diameters are unequal
- C. 5 mm more than nominal maximum size of the coarse aggragate
- D. greatest value of the above. Discuss
- 2. Advantage of automatic signalling, is:
Options- A. increased safety
- B. reduction in delays
- C. increase in track capacity
- D. all the above. Discuss
- 3. The minimum diameter of a sewer is kept
Options- A. 10 cm
- B. 15 cm
- C. 20 cm
- D. 25 cm
- E. 30 cm. Discuss
- 4. According to ISI, bitumen is classified into
Options- A. 2 grades
- B. 4 grades
- C. 6 grades
- D. 8 grades.
- E. 10 grades. Discuss
- 5. The Polaris describes a small circle round the pole whose radius is approximately
Options- A. 1°
- B. 2°
- C. 3°
- D. 4°. Discuss
- 6. For the construction of highway (or railway)
Options- A. longitudinal sections are required
- B. cross sections are required
- C. both longitudinal and cross sections are required
- D. none of these. Discuss
- 7. An R.C.C. column of 30 cm diameter is reinforced with 6 bars 12 mm ? placed symmetrically along the circumference. If it carries a load of 40, 000 kg axially, the stress is
Options- A. 49.9 kg/cm2
- B. 100 kg/cm2
- C. 250 kg/cm2
- D. 175 kg/cm2 Discuss
- 8. In GPS, receivers are used are ;
Options- A. electronic clocks
- B. atomic clocks
- C. quartz clocks
- D. mechanical clocks Discuss
- 9. Pick up the correct statement from the following:
Options- A. Calcium chloride acts as a retarder
- B. Gypsum (calcium sulphate) acts as an accelerator
- C. Gypsum (calcium sulphate) acts as a retarder
- D. Calcium chloride acts as an accelerator
- E. Both (c) and (d). Discuss
- 10. Pick up the synthetic resin from the following:
Options- A. Malamine resin
- B. Phenolic resin
- C. Resorcinol resin
- D. Urea resin
- E. All of these. Discuss
More questions
Correct Answer: greatest value of the above.
Correct Answer: all the above.
Correct Answer: 15 cm
Correct Answer: 10 grades.
Correct Answer: 1°
Correct Answer: both longitudinal and cross sections are required
Correct Answer: 49.9 kg/cm2
Correct Answer: quartz clocks
Correct Answer: Both (c) and (d).
Correct Answer: All of these.
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