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A line from where fold comes over and divides collar into stand and outer collar section
A
roll line
B
neck line
C
rolled edge
D
collar edge
Correct Answer:
roll line
A machine vice whose length of the handle is 150mm and the coefficient of friction for thread and collar are 0.15 and 0.17 respectively has a force applied at handle of 125N. Also the outer and inner diameters of collar are 55mm and 45mm respectively. Find the collar torque in terms of clamping force W assuming uniform wear theory if nominal diameter=22mm and pitch=5mm.
A
4.5W
B
5.4W
C
4.25W
D
3.37W
Simplify : $${{{5 \over 3} \times {7 \over {51}}{\text{ of }}{{17} \over 5} - {1 \over 3}} \over {{2 \over 9} \times {5 \over 7}{\text{ of }}{{28} \over 5} - {2 \over 3}}}$$
A
$$\frac{1}{2}$$
B
4
C
2
D
$$\frac{1}{4}$$
Which of the following can be one of the steps in stacking?
1. Divide the training data into k folds
2. Train k models on each k-1 folds and get the out of fold predictions for remaining one fold
3. Divide the test data set in "k" folds and get individual fold predictions by different algorithms
A
1 and 2
B
2 and 3
C
1 and 3
D
all of above
Threading or structural fold recognition predicts the structural fold of an unknown protein sequence by fitting the sequence into a structural database and selecting the best-fitting fold.
A
True
B
False
If joint is to fail by crushing of socket collar then estimate the diameter of socket collar. Given Permissible compressive stress= 126.67 N/mm².; Spigot dia=65mm; thickness 0f collar=15mm
A
131mm
B
139mm
C
141mm
D
149mm
Which of the following statements is/are correct?
1. A crossing of the International Date Line entails repeating one day when traveling westwards
2. A crossing of the International Date Line entails repeating one day when traveling eastwards
3. International Date Line is an internationally agreed line drawn parallel to the 180° meridian
4. International Date Line divides the Pacific Ocean into two equal parts.
A
2 alone
B
2, 3 and 4
C
1 alone
D
1, 3 and 4
A machine vice whose length of the handle is 150mm and the coefficient of friction for thread and collar are 0.15 and 0.17 respectively has a force applied at handle of 125N. Also the outer and inner diameters of collar are 55mm and 45mm respectively. Find the screw torque in terms of clamping force W if nominal diameter=22mm and pitch=5mm.
A
3.567W N-mm
B
2.286W N-mm
C
3.564W N-mm
D
None of the mentioned
A machine vice whose length of the handle is 150mm and the coefficient of friction for thread and collar are 0.15 and 0.17 respectively has a force applied at handle of 125N. Also the outer and inner diameters of collar are 55mm and 45mm respectively. Find the clamping force W if nominal diameter=22mm and pitch=5mm.
A
4539.45N
B
2868.73N
C
3657.56N
D
2134.34N
A machine vice whose length of the handle is 150mm and the coefficient of friction for thread and collar are 0.15 and 0.17 respectively has a force applied at handle of 125N. Also the outer and inner diameters of collar are 55mm and 45mm respectively. Find the overall efficiency if nominal diameter=22mm and pitch=5mm.
A
18.12%
B
12.18%
C
21.23%
D
23.21%
Protein A will fold into its native state only when protein B is also present in the solution. However, protein B can fold itself into native confirmation without the presence of protein A. Which of the following is true?
A
Protein B serves as precursor for protein A
B
Protein B serves as molecular chaperon for protein A
C
Protein B serves as ligand for protein A
D
Protein B serves as structural motif for protein A