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A middle school mathematics teacher distributes a piece of rope, 1 meter long, to her students. She asks them to make a list of things in their surroundings that are 1 meter long, slightly less or more than 1 meter, double or half of one meter. Which of the following statement(s) is/are true for the given situation? (a) It can be used as an activity to introduce standard unit of length measurement in a class. (b) It can be used to encourage children to estimate length of objects in daily life, (c) It is a good activity to establish the formula for conversion of metre to centimetre or vice-versa. (d) This type of activity should be given only as home task so that class time is utilised for solving the questions. Choose the correct option.
How many floor tiles of measurement  5 meter × 1 meter will be required for lying tiles in 30 meter long and 25 meter wide rectangular field?
Select the option that is true regarding the following two statements labeled Assertion (A) and Reason (R). Assertion (A): Whenever we measure an electrical signal, there are chances of over current which leads to overheating of the meter. In such cases, the meter can be protected by using a semiconductor diode of suitable rating. Reason (R): As soon as the diode is short-circuited, the meter current is diverted through the diode. As a result, the meter is being protected from excess heating.
Which among the following are the anthropometric procedures for measurement?
1. Length measurement
2. Head circumference measurement
3. Weight measurement
4. Waist measurement`
A rectangular swimming pool is 15 meter long and 30 meter wide. A deck, with uniform width, surrounds the pool. If the total area of the pool and deck is 1050 square meter what is the width of the deck in meter?
In a playground P, Q, R, S, and T are standing, facing the north as described below: - I. Q is 50 meter to the right of S. II. P is 60 meter to the south of Q. III. R is 40 meter to the west of S. IV. T is 80 meter to the north of P. If a person from R walks straight, meets S followed by Q, P and then T. Then how much distance did he cover?
Price of LED strip is constant at Rs. 150 up to the length of x meter and beyond that it is charged Rs. 22 per meter. If a person buys 17 meter LED strip, he has to pay total amount of Rs. 392. What will be the price of 23 meter LED strip?
Consider the following statements for dynamic characteristics of a measurement system: 1. Fidelity is defined as the degree to which a measurement system indicates changes in the measured quantity without any dynamic error. 2. Dynamic error is the difference between the true value of the quantity changing with time and the value indicated by the measurement system if no static error is assumed. 3. Measuring lag is the retardation in the response of a measurement system to changes in the measured quantity. Which of the above statements are correct?
Which among the following are the procedures for taking measurements?
1. Body measurement
2. Sleeves measurement
3. Shirt measurement
4. Pant measurement
What of these can be used as a reasonable model for measurement system capability studies? Here y,x and ε denote the observed measurement, true measurement, and the measurement error respectively.