Answer:
Power required to drive the escalator shall be equal to the rate at which the energies of the persons is increased.

As we infer from the above equation If the velocity of the escalator is doubled then the Power required will also be doubled and become 31.215kW
Answer:
Yes
Explanation:
Yes steam power plant is heat engine.
As we know that a heat engine takes from source heat and produce some amount of work and reject the heat to the sink.
So the steam power plant fulfill the all requirement like it take heat from boiler and produce some amount work and then reject the heat by using condenser.So we can say that steam power plant is an example of heat engine.
Answer:
1. Goal setting
2. Developing the planning premises
3. Reviewing Limitations
4. Deciding the planning period
5. Formulation of policies and strategies
6. Preparing operating plans
7. Integration of plans
Explanation:
I don't have an explanation but i thru in a few extra answers for like extra credit or something if your teacher does that
Answer:
a. the base must be more positive than the emitter
Explanation:
A transistor can be defined as a semiconductor component that is used to control the flow of voltage or current and as a gate (switch) for electronic signals. Thus, a transistor allows for the amplification, control and generation of electronic signals in a circuit. The three (3) basic parts of a transistor are; base, emitter and collector.
Basically, there are two (2) main types of transistor and these are;
1. PNP transistor.
2. NPN transistor.
Biasing of a transistor can be defined as the process of providing the controlled amount of direct current (DC) voltage or current conditions so as to enable the transistor amplify the alternating current (AC) input signal correctly.
Hence, to forward bias an NPN transistor, the base must be more positive than the emitter because the majority carriers are electrons which are moved from the n-type region to the p-type region while the minority carriers are holes.
This ultimately implies that, for an NPN transistor to conduct current in milliamps, its base-emitter junction must be forward biased.
Answer:
than look inside it
Explanation:
well if you need to inspect something, looking is very important