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Which of the following statement(s) is/are incorrect? (i) A turbine is called an impulse turbine if at the inlet of the turbine total energy is only kinetic energy (ii) A turbine is called a reaction turbine if at the inlet of the turbine the total energy is kinetic energy and pressure energy (iii) The inward flow reaction turbine having radial discharge at the outlet is known as Kaplan turbine
In SI engines, to obtain required firing order
1. Battery is installed
2. Distributer is installed
3. Carburettor is installed
4. Ignition coil is installed
Which of the above statements is/are correct?
Consider the following statements: A ray parallel to the principal axis incident on a concave mirror after reflection passes through the focus. A ray passing through the center of curvature of a concave mirror after reflection is reflected back along the same path. A ray passing through the center of curvature of a concave mirror after reflection passes through the focus. Which of the following statement is INCORRECT?
A jogger passes by a tree while jogging and stops after 5 minutes. After 10 more minutes he encounters a train moving at speed of 60 m/s then find speed of jogger with which he was running if train of 120 m length crosses tree (last coach passes by tree) after 4 minutes after it encountered jogger (first coach passes by jogger)?
Consider the following statements in connection with hydraulic turbines: 1. The Kaplan turbine is a radial flow turbine in which the guide vane angles as well as the runner vane angles are adjustable. 2. Francis and Kaplan turbines are provided with draft tubes which carry water from exit of runner to tail water to increase the gross head across the turbine. 3. The parts of turbines susceptible to cavitation are the guide vanes and runner vanes – drastically reducing the turbine efficiency. 4. The specific speed of a 4-jet Pelton turbine will be 28 if the specific speed of a single-jet Pelton turbine is 14. Which of the above statements are correct?
In the following question, sentences of a paragraph have been jumbled and labelled as A, B, C and D. You are required to rearrange the jumbled sentences of the paragraph and mark your response accordingly by selecting the correct option. A: Air conditioning is the process of removing heat and moisture from the interior of an occupied space to improve the comfort of occupants. Air conditioning can be used in both domestic and commercial environments.  B: Electric refrigerant-based AC units range from small units that can cool a small bedroom, which can be carried by a single adult, to massive units installed on the roof of office towers that can cool an entire building. C: Air conditioners often use a fan to distribute the conditioned air to an enclosed space such as a building or a car to improve thermal comfort and indoor air quality.  D: This process is most commonly used to achieve a more comfortable interior environment, typically for humans and other animals.
Which of the following are true regarding the Prime meridian?
1. It passes through the centre of a certain country
2. It passes through the centre of the Globe
3. It passes through the observatory at Greenwich, near London.
A main fan of a mine circulates 40 m3/s of air at a pressure of 500 Pa. the mine has two splits of equal resistance. The trunk airways have a total resistance of 0.2 Ns2/m8. When a booster fan is installed in one split, the flow of air in the other splits stops. Assuming that the pressure remains unchanged, the new air quantity flowing through the mine in m3/s is
In MPFI-Air Induction System, the air cleaner, the air flow meter, the throttle body and the air valve supply a proper amount of air to the air intake chamber and intake manifold.
Suppose saturated polar air has an air temperature and dew point of -10o C, and unsaturated desert air has an air temperature of 35o C and a dew point of 10o C. The desert air contains ______ water vapour and has a ________ relative humidity than the polar air.