Questions

High frequency sound attacks the tympanic memberane and makes it defective. 120 decibles is too high a pitch to be heard and therefore it impairs the hearing ability.

The act of formally approving something is known as Ratification.

The project details and description will usually have less detail at the beginning of the project and will increase as the characteristics are progressively elaborated. Answer A is incorrect because the team should confirm that they understand the esence of the scope of the project, even if the details might be ambiguous at the beginning of the project. Answer B is incorrect because the project should go forward; however, the team should request further clarification of what the project scope entails. Answer D is incorrect because the project selection criteria should be established before the project begins.

Direct Materials doesn't come under Fixed Cost because it vary with changes in the activity level of a business.

Fixed Cost :

A fixed cost is a cost that does not change over the short-term, even if a business experiences changes in its sales volume or other activity levels.

It is of some importance to understand the extent and nature of the fixed costs in a business, since a high fixed-cost level requires a business to maintain a high revenue level in order to avoid generating losses.

Examples of Fixed Cost are:

Insurance, Salaries, Rent, Property Taxes,...

A transformer that increases voltage from primary to secondary (more secondary winding turns than primary winding turns) is called a Step-Up Transformer.

Conversely, a transformer designed to do just the opposite is called a Step-Down Transformer. 

The area in which two types of air masses meet is called Front. There are two types of fronts. They are 

1) Cold front

2) Warm front

When a cold air mass pushes a warm air mass, it is called as Cold front. Similarly, when a warm air mass pushes the cold air mass, it is called as warm front.

An Umbrella.

Yes, when it is open it can't be fit under a chimney but when it is closed it can be fit down a chimney.

Virat Kohli surpasses Brian Lara with sixth Test double hundred as captain.

After reaching the milestone, Virat Kohli became the first captain to score six double tons in Test cricket. He has also become the first player to score six double centuries in just a span of 17 months. He also became the second Indian to score back-to-back double centuries, only after Vinod Kambli.

Apart from him, the only other cricketers who have scored back-to-back double Test tons are Wally Hammond, Don Bradman, Kambli, Kumar Sangakkara and Michael Clarke.