Many nations blend petrol with ethanol to reduce the emission of CO. The mixture is known as

Ethanol blending in petrol will be increased from the existing 8.5 percent to how much percent by 2025?

Rankine cycle efficiency is _______ than/as Carnot cycle efficiency if both works under the same operating temperatures.

A Rankine cycle working with saturated steam differs thermodynamically from a Carnot cycle only in the fact that

What are the objective of industry 4.0?

What is a Smart Factory?

Marginal cost is

What is the primary purpose of a budget in business management ?

..................of management. among the following was the first to identify four functions.

In the words of ..................,''.................... means knowing exactly what you want men to do and seeing that they do it in the best and cheapest way".

Find the above blank with right option

 

PLC stands for

Emerging a Conceptual Framework for Industry 4.0 technologies does not include.

The process of taking measures to check the quality, performance or reliability of the equipment is called:

Which of the following is an example of Batch type of production system?

Total Project Cost versus time curve is:

The original cost of equipment is rupees 1,00,000. Its salvage value at the end of its useful life of five years is 40,000. Its book value at the end of two years of its useful life as per
straight line method of evaluation of depreciation will be

Which of the followings, leads to industrial hazards and causes accidents ?

................ is considered as an adult according to the Factory Act, 1948.

Safety in a workshop can be classified as 

Which of the following industries will consume maximum power per tonne of product? 

Consider the following statements pertaining to the features of a regenerative steam cycle plant as compared to a non-regenerative plant:

1. It increases the cycle efficiency.

2. It requires a bigger boiler.

3. It requires a smaller condenser.

Which of these statements are correct? 

The enthalpy of steam entering a turbine in a Rankine cycle is 3200 kJ/kg. The enthalpy after isentropic expansion is 2400 kJ/kg and the enthalpy at the end of actual expansion is 2560 kJ/kg. What is the turbine efficiency? 

What is the efficiency of an ideal regenerative Rankine cycle power plant using saturated steam at 327°C and pressure 135 bar at the inlet to the turbine, and condensing temperature of 27°C (corresponding saturation pressure of 3.6 kPa)?

In a regenerative cycle, steam with enthalpy of 3514 kJ/kg is expanded in h.p. turbine to a state corresponding to saturated enthalpy of water equal to 613 kJ/kg. If the pump work requirements in high pressure and low pressure zones are respectively 3 and 1 kJ/kg, amount of heat transferred in boiler is 

Mean temperature of heat addition gets increased resulting in an increase in cycle thermal efficiency. What is this cycle called?

In ideal regenerative cycle the temperature of steam entering the turbine is same as that of 

The function of economizer in a boiler is to 

What is the main advantage of a vertical axis wind turbine?
 

 What is the main disadvantage of a downward wind turbine?

Which of the following is an advantage of a horizontal axis wind turbine?

Which component in a wind power plant senses the direction of wind and passes the direction to the PLC, following which the PLC faces the blades in such a way that it cuts the maximum wind?

 

Wound rotor induction generators are primarily used in wind turbines because they ______.

The Source of Ocean Thermal Energy is

The region where all of the light from the source is blocked is called:

Tick true/false against the following statements.
(a) Fossil fuels can be made in the laboratory.
(b) CNG is a more polluting fuel than petrol.
(c) Coke is an almost pure form of carbon.
(d) Coal tar is a mixture of various substances.
(e) Kerosene is not a fossil fuel.

Which of the following can be generated indirectly from Biomass?

A nuclear reactor produces 3.2×10¹⁰ J of energy per second. How many fissions occur per second if each fission releases 200 MeV?

The type of turbine used in hydroelectric plant for a water head range of 70 meter – 500 meter is:

A hydroelectric power plant has the following parameters:
Flow rate (Q) = 50 m³/s
Electrical power output (P_out) = 8 MW
Water density (ρ) = 1000 kg/m3
Acceleration due to gravity (g) = 10 m/s2
To achieve an overall efficiency of 80%, what should be the required net head (H)?

A hydro power plant with an installed capacity of 10 MW falls under which of the following categories?

Energy produced due to gravitational force of attraction between earth and moon or sun
and earth is : 

What are horizontal wind turbines?

What is reflection?

What are the two ways to produce methane in methanogenesis step?

 Which of the following best indicates the steps of anaerobic digestion?