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Simplify the value of $$\frac{{{\text{0}}{\text{.9}} \times {\text{0}}{\text{.9}} \times {\text{0}}{\text{.9 + 0}}{\text{.2}} \times {\text{0}}{\text{.2}} \times {\text{0}}{\text{.2 + 0}}{\text{.3}} \times {\text{0}}{\text{.3}} \times {\text{0}}{\text{.3}} - {\text{3}} \times 0.9 \times {\text{0}}{\text{.2}} \times {\text{0}}{\text{.3}}}}{{{\text{0}}{\text{.9}} \times {\text{0}}{\text{.9 + 0}}{\text{.2}} \times {\text{0}}{\text{.2 + 0}}{\text{.3}} \times {\text{0}}{\text{.3}} - 0.9 \times {\text{0}}{\text{.2}} - {\text{0}}{\text{.2}} \times {\text{0}}{\text{.3}} - 0.3 \times 0.9}} = ?$$
Which of the following statements are correct regarding power transmission through V-belts? 1. V-belts are used at the high-speed end. 2. V-belts are used at the low-speed end. 3. V-belts are of standard lengths 4. V-angles of pulleys and belts are standardized. Select the correct answer using the code given below
Which of the following statements are correct regarding power transmission through V-belts? (i) V-belts are used at the high-speed end. (ii) V-belts are used at the low-speed end. (iii) V-belts are of standard lengths. (iv) V-angles of pulleys and belts are standardized. Select the correct answer using the code given below.
The ratio of the driving tensions for V-belts is __________ times that of flat belts.(Where β = Semi-angle of the groove)
The ratio of the driving tensions for V-belts is __________ times that of flat belts.
(Where β = Semi-angle of the groove)
$$\frac{{38 \times 38 \times 38 + 34 \times 34 \times 34 + 28 \times 28 \times 28 - 38 \times 34 \times 84}}{{38 \times 38 + 34 \times 34 + 28 \times 28 - 38 \times 34 - 34 \times 28 - 38 \times 28}}$$            is equal to = ?
The ratio of driving tensions for flat belts, neglecting centrifugal tension, is (where T1 and T2 = Tensions on the tight and slack sides of belt respectively, $$\mu $$ = Coefficient of friction, between the belt and pulley and $$\theta $$ = Angle of contact)
Six flats A, B, C, D, E and F are located in two rows of three flats each. The flats in both the rows face each other. Flat D is diagonally opposite to flat C. Flat E is opposite to flat F, which is north facing. Flat C is 2nd to the left of A and both of flats are south facing. Which of the following flats is facing flat B?
A statement and its two conclusions - I and II are given. You have to follow the given statements is correct even if they seem to be at variance from commonly known facts. Statement: All belts are hot. All bolts are hot. Conclusions: I. At least some belts are bolts. II. All hot are belts. Decide which of the following options logically follows from the given conclusions. A. Only conclusion I follow. B. Only conclusion II follows. C. Both conclusions I and II follow. D. Neither conclusion I nor conclusion II follows.
$$\eqalign{ & {\text{The}}\,{\text{value}}\,{\text{of}} \cr & \frac{{0.1 \times 0.1 \times 0.1 + 0.02 \times 0.02 \times 0.02}}{{0.2 \times 0.2 \times 0.2 + 0.04 \times 0.04 \times 0.04}}\,\text{is}: \cr} $$