Related Questions

If the flame of a miner's safety lamp in the upper layers of the sewer forms an explosive, the sewer certainly contains
A Hydrogen sulphide
B Carbon dioxide
C Methane
D Oxygen
If D is the diameter of a circular sewer and D’ is the top horizontal diameter of an equivalent egg shaped section, the relationship which holds good, is
A D’ = 0.64 D
B D’ = 0.74 D
C D’ = 0.84 D
D D’ = 0.94 D
The minimum diameter of a sewer is kept
A 10 cm
B 15 cm
C 20 cm
D 25 cm
The effect of increasing diameter of sewer on the self cleansing velocity is
A To decrease it
B To increase it
C Fluctuating
D Nil
If is the diameter of upper circular portion, the overall depth of New Egg shaped sewer section, is
A 1.250 D
B 1.350 D
C 1.425 D
D 1.625 D
Rabindranath Tagore's 'Jana Gana Mana' has been adopted as India's National Anthem. How many stanzas of the said song were adopted?
A Third and Fourth stanza
B The whole song
C First and Second stanzav
D Only the first stanza
In a shell and tube heat exchanger for a given heat transfer surface area, smaller diameter tubes are favoured as compared to larger diameter ones ; because the smaller diameter tubes
A Are easier to clean
B Are less prone to fouling
C Can be fitted into a smaller shell diameter hence the cost of the heat exchanger would be less
D None of these
The minimum thickness of the cover at the end of a reinforcing bar should not be less than twice the diameter of the bar subject to a minimum of
A 10 mm
B 15 mm
C 20 mm
D 25 mm
The maximum diameter of sewers adopted in the designs is
A 1.0 m
B 2.0 m
C 3.0 m
D 4.0 m
In R.C. sewer pipes, the percentage longitudinal reinforcement to the cross-sectional area of concrete is kept
A 10.0
B 5.0
C 2.0
D 0.25

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