Principles are basic truths and guidelines for behaviour. 

Science not rule of thumb is the principle, which emphasises on study and analysis of methods rather than estimation. 

The principle of 'Scientific not rule of thumb'. 

The principle of management which resembles military organisation is 'Unity of command'. 

The main aim is to find one best method of doing the job or perform a task. 
 

The purpose of time study is to determine the standard time taken by the workman with reasonable skill and ability to perform a particular task, to estimate labour cost and to create time management among the employees. 

Yes. For a company to grow, the management should listen to constructive suggestions put forth by the employees. They should be rewarded for their suggestions. They should be a part of management and if any important decisions are taken, workers should be taken into confidence. 

True. Management should share the gain of the company, if any, with the workers. At the same time, workers should work hard and be willing to embrace change for the good of the company.  

In the above situation. the principle of 'scalar chain' is violated. 

'Principle of initiative' indicates that employees at all levels should be encouraged to develop and carry out plans for improvements.