VSSC Plumber Paper 2017

Vikram Sarabhai Space Centre Plumber Paper 2017

Rain water harvesting means about
(a) Digging wells
(b) Recharge wells
(c) Constructing dams
(d) Pumping water from deep wells

Find the HP of pump set with efficiency of 50 percent required to fill a water storage tank at a discharge rate of 120 litres per second and the total head of 20 meters is
(a) 54
(b) 60
(c) 44
(d) 64

In electrical language DC refers to
(a) Data Carrier
(b) Direct Channeling
(c) Direct Current
(d) Direct carrier

Which of the following is used in gaseous form in water for disinfection?
(a) Ozone
(b) Chlorine
(c) Potassium permaganate
(d) Iodine and Bromine

A line of pipes including all fittings and equipments such as manholes, traps etc. is called
(a) Drainage
(b) Drain
(c) Sewer
(d) Sewerage

Air-conditioning involves
(a) Controlling the temperature
(b) Controlling the humidity
(c) Cleaning the air
(d) All of these

Water is required for
(a) Drinking and cooking
(b) Bathing and washing
(c) Growing of crops
(d) All of these

The purest water is obtained from
(a) Well
(b) Pond
(c) River
(d) Rain

In Indian Standard code of basic requirements for water supply, drainage and sanitation is
(a) IS:1172
(b) IS:696
(c) IS:779
(d) IS:2373

The factor affecting the water demand is
(a) Climatic condition
(b) Size of the community
(c) Cost of water
(d) All of these